The aim of this study was to identify plant species visited by Apis mellifera L. in honey produci... more The aim of this study was to identify plant species visited by Apis mellifera L. in honey producing areas with typical Caatinga vegetation in the State of Bahia, as well as morphologically characterize pollen grains of the most representative species. Flowering specimens were collected from both areas, herborized, identified and deposited at the HUNEB herbarium. Analyses of floristic similarities were performed between eleven municipalities close to the study areas. Pollen was collected from all specimens, acetolyzed, measured, statistically analyzed, morphologically described, and photographed in light microscopy. Of the total of species recorded, 67.46 % were regarded as having beekeeping importance, with the richest botanical families being Fabaceae, Malvaceae and Asteraceae. Additionally, 37.5 % of the recorded species were herbs. The analyzed municipalities showed 84 % of floristic similarity. Of the total species recorded with visits by A. mellifera, 25.52 % had their pollen grains already described in the literature as monads, tetrads and polyads; isopolar, apolar and heteropolar; and mostly prolate spheroidal shape. Sizes varied from small to large, and the amb circular was predominant. The exine ornamentation was greatly diversified, varying from psilate to echinate. The obtained data corroborate the palynological knowledge of plants regarded as having beekeeping importance within the Caatinga.
O presente trabalho teve como objetivo orientar os vendedores informais e a população sobre o uso... more O presente trabalho teve como objetivo orientar os vendedores informais e a população sobre o uso racional e seguro das espécies vegetais utilizadas tradicionalmente pelas comunidades locais. A apresentação de palestra, atividades práticas no herbário como confecção de exsicatas, e entrega de cartilha sobre as principais plantas comercializadas no local foram desenvolvidas no Campus VI, UNEB. Destacou-se a urgência em relação às precauções no uso das plantas medicinais, já que imprecisões na sua utilização podem causar sérios problemas à saúde dos usuários.Palavras chave: Conhecimento popular, etnomedicina, medicina alternativa, vendedores informais.Áreas temáticas: Cultura, educação e meio ambiente
The aim of this study was to identify plant species visited by Apis mellifera L. in honey produci... more The aim of this study was to identify plant species visited by Apis mellifera L. in honey producing areas with typical Caatinga vegetation in the State of Bahia, as well as morphologically characterize pollen grains of the most representative species. Flowering specimens were collected from both areas, herborized, identified and deposited at the HUNEB herbarium. Analyses of floristic similarities were performed between eleven municipalities close to the study areas. Pollen was collected from all specimens, acetolyzed, measured, statistically analyzed, morphologically described, and photographed in light microscopy. Of the total of species recorded, 67.46 % were regarded as having beekeeping importance, with the richest botanical families being Fabaceae, Malvaceae and Asteraceae. Additionally, 37.5 % of the recorded species were herbs. The analyzed municipalities showed 84 % of floristic similarity. Of the total species recorded with visits by A. mellifera, 25.52 % had their pollen grains already described in the literature as monads, tetrads and polyads; isopolar, apolar and heteropolar; and mostly prolate spheroidal shape. Sizes varied from small to large, and the amb circular was predominant. The exine ornamentation was greatly diversified, varying from psilate to echinate. The obtained data corroborate the palynological knowledge of plants regarded as having beekeeping importance within the Caatinga.
O presente trabalho teve como principal objetivo realizar o levantamento florístico de espécies d... more O presente trabalho teve como principal objetivo realizar o levantamento florístico de espécies de angiospermas da Serra da Fumaça, município de Pindobaçu, para ampliar o conhecimento da flora e dos padrões de distribuição de espécies presentes no norte da Chapada Diamantina, Bahia, Brasil. Para tanto, foram realizadas expedições na área de estudo por um período de dois anos, além de levantamento no banco de dados dos herbários HUNEB e HUEFS. Os espécimes férteis foram coletados e processados seguindo os métodos usuais da botânica. O material herborizado foi identificado e incorporado ao HUNEB. Foram registradas 217 espécies, pertencentes a 52 famílias botânicas, com ocorrência de uma taxa de endemismo de 43,32% para espécies brasileiras e 6,9% para a Bahia. Rubiaceae, Orchidaceae, Fabaceae, Melastomataceae, Asteraceae e Euphorbiaceae estão entre as famílias mais representativas na área de estudo, enquanto o tipo de hábito predominante foi o herbáceo. Os dados aqui apresentados pode...
Papilionoideae is the most diverse subfamily of Leguminosae, representing approximately 39 % of i... more Papilionoideae is the most diverse subfamily of Leguminosae, representing approximately 39 % of its species. Although it is particularly species rich and diverse in the Caatinga, the main phytophysiognomy of the semiarid Northeast Region of Brazil, little is known about the pollen morphology of the species that occur there. This study analyzes and describes the pollen morphology of the 27 species of Papilionoideae endemic to the Caatinga. Pollen grains were acetolyzed, mounted on permanent slides, measured, described and photomicrographed using light and scanning electron microscopy (LM and SEM, respectively). The main variable morphological features were pollen grain size, shape, amb, apertural type and exine ornamentation under LM (microreticulate, reticulate, psilate or finely scabrate) and SEM (microreticulate, reticulate, rugulate, granulate, fossulate and perforate). High intergeneric morphological heterogeneity was observed while morphological variation within each genus was subtle. Nonetheless, size, endoaperture shape, fastigium presence/absence and exine ornamentation were found to be important characteristics for the identification of some species.
<b>Table S1 – </b>Pollen morphometric characteristics and measurements (μm) for speci... more <b>Table S1 – </b>Pollen morphometric characteristics and measurements (μm) for species of Anacardiaceae. <b>Table S2 – </b>Morphological characters of the pollen grains of the species of Anacardiaceae. <br>see Original Paper: http://dx.doi.org/10.1590/2175-7860202172115
Background: Plants and bees have coevolved throughout geological time, establishing a mutualistic... more Background: Plants and bees have coevolved throughout geological time, establishing a mutualistic relationship that results in feeding/resource obtention by bees and the reproductive success of angiosperms. Questions and Hypotheses: What is the floristic composition of the vegetation visited by bees in the Caatinga? How are pollen grains from Caatinga bee plant species characterized? Do pollen grains of bee plant species present characters that could be associated with the pollination process? Studied species: We studied the pollen grains of 45 bee plant species belonging to 41 genera and 23 angiosperm families. Among the studied species, 37 % are endemic to Brazil, and eight species are endemic to the Caatinga biome. Study site and dates: Apiary within the Caatinga biome, in the State of Bahia, Brazil. Climate warm semiarid. Fieldwork was carried out between August 2016 and June 2017. Methods: Plants in bloom and being visited by Apis mellifera were collected during biweekly field ...
Papilionoideae is the most diverse subfamily of Leguminosae, representing approximately 39 % of i... more Papilionoideae is the most diverse subfamily of Leguminosae, representing approximately 39 % of its species. Although it is particularly species rich and diverse in the Caatinga, the main phytophysiognomy of the semiarid Northeast Region of Brazil, little is known about the pollen morphology of the species that occur there. This study analyzes and describes the pollen morphology of the 27 species of Papilionoideae endemic to the Caatinga. Pollen grains were acetolyzed, mounted on permanent slides, measured, described and photomicrographed using light and scanning electron microscopy (LM and SEM, respectively). The main variable morphological features were pollen grain size, shape, amb, apertural type and exine ornamentation under LM (microreticulate, reticulate, psilate or finely scabrate) and SEM (microreticulate, reticulate, rugulate, granulate, fossulate and perforate). High intergeneric morphological heterogeneity was observed while morphological variation within each genus was subtle. Nonetheless, size, endoaperture shape, fastigium presence/absence and exine ornamentation were found to be important characteristics for the identification of some species.
The pollen morphology of 17 taxa of Convolvulaceae [Bonamia agrostopolis, Evolvulus (nine species... more The pollen morphology of 17 taxa of Convolvulaceae [Bonamia agrostopolis, Evolvulus (nine species) - Tribe Cresseae), and Jacquemontia (seven species) - Tribe Jacquemontieae)] was described under light microscopy (LM) and scanning electron microscopy (SEM) with the objective of contributing to the palynology and the taxonomy of the group. The pollen material was collected from anthers and/or floral buds of herbarium exsicates, acetolyzed, analyzed quantitative and qualitatively under LM and SEM, described and illustrated. The data presented here on the pollen morphology of the studied Bonamia, Evolvulus and Jacquemontia species, showed that B. agrostopolis has medium, isopolar, microechinate, granulated pollen grains with the 3-colpate apertural type, which is present in the majority of Jacquemontia species studied. On the other hand, Evolvulus species, J. gracillima and J. pentanthos have the same pollen type, characterized by being spheroidal, pantocolpate and microechinate. The o...
This study aimed to identify the pollen types of 11 honey samples produced in apiaries of two cit... more This study aimed to identify the pollen types of 11 honey samples produced in apiaries of two cities in the State of Bahia, Brazil: Antônio Gonçalves (five samples) and Campo Formoso (six samples); to verify richness and diversity from each apiary and to compare the similarity among them. The samples were obtained from beekeepers according to the period of production and availability. The palynological analysis of these samples followed the standard procedures of melissopalynology with the use of acetolysis. The pollen types occurring in the honey samples were identified and at least 1,000 pollen grains per sample were counted to determine the frequency classes and the frequency of occurrence. Overall, 147 pollen types were detected, of which 143 are distributed in 35 botanical families. The most representative families concerning the number of pollen types were: Fabaceae (33), Asteraceae (18), Euphorbiaceae (11), Anacardiaceae and Malvaceae (09 types each), Rubiaceae (08) and Myrta...
This study dealt with six species of Acalyphoideae and 18 species of Euphorbioideae occurring in ... more This study dealt with six species of Acalyphoideae and 18 species of Euphorbioideae occurring in the Caatinga ecoregion, with emphasis on endemic species. Pollen samples were obtained from herbarium specimens and were acetolysed and analysed via light and scanning electron microscopy. The pollen of three genera of Acalyphoideae was medium to large, 3-colporate or 3-colpate, with an echinate-perforate exine that was reticulate, bireticulate, and microreticulate. The six genera of Euphorbioideae studied exhibited pollen grains that were small, medium and large; 3-colporate with margines; and an exine with microreticulate, microreticulate-rugulate, microreticulate-caveate, and reticulate ornamentation. The pollen characteristics were more variable in the Acalyphoideae compared to the relatively homogeneous Euphorbioideae. This study provides new data and interpretations of the pollen morphology of two subfamilies of the Euphorbiaceae of the Caatinga ecoregion in Brazil.
O presente trabalho teve como objetivo orientar os vendedores informais e a população sobre o uso... more O presente trabalho teve como objetivo orientar os vendedores informais e a população sobre o uso racional e seguro das espécies vegetais utilizadas tradicionalmente pelas comunidades locais. A apresentação de palestra, atividades práticas no herbário como confecção de exsicatas, e entrega de cartilha sobre as principais plantas comercializadas no local foram desenvolvidas no Campus VI, UNEB. Destacou-se a urgência em relação às precauções no uso das plantas medicinais, já que imprecisões na sua utilização podem causar sérios problemas à saúde dos usuários.Palavras chave: Conhecimento popular, etnomedicina, medicina alternativa, vendedores informais.Áreas temáticas: Cultura, educação e meio ambiente
Abaeté dunes present a large diversity of communities, forming a mosaic of structurally distinct ... more Abaeté dunes present a large diversity of communities, forming a mosaic of structurally distinct floristic associations. In their fanerogamic flora, Sterculiaceae is represented by the species Ayenia erecta Mart., Melochia spicata (L.) Fryxell, Waltheria cinerescens A. St.-Hil., W. communis A. St.-Hil., W. indica L. and W. viscosissima A. St.-Hil., which pollen morphology was presented here. To the palynological analysis under light microscopy, acetolised pollen grains were used to their morphological characterization. The species are heterogenous, with pollen grains of medium and large size, and their shape varying from suboblate to prolate spheroidal. Only A. erecta specie presented porate pollen grains and the others, colporate ones. Heteromorphism in the number of apertures was recorded: three in A. erecta and M. spicata; three and four in W. viscosissima; four and five in W. indica; five, six and seven in W. communis; five to eight in W. cinerescens. Aspides was recorded in the pollen grains of A. erecta, and costa in the other species. The pollen grains of W. cinerescens and W. communis showed spinulose ornamentation while the others had a micro-reticulate ornamentation. Thus, it is possible to recognise the species studied by the pollen morphology.
Palinotaxonomicaly, 27 species of the tribe Byttnerieae, Hermannieae and Helictereae (Malvaceae s... more Palinotaxonomicaly, 27 species of the tribe Byttnerieae, Hermannieae and Helictereae (Malvaceae s. l.) from Bahia State were studied with aim of to increase alow knowledge pollen morphology and to contribute with a taxonomic delimitation of the taxa. The polliniferous material were acetolysed, analyzed and photographed under light and scanning electron microscopic. Four pollen types are recognized based in exine ornamentation and apertural type: (I) pollen grains (2)3(4)-porate, aspidate, planaperturate, (micro)reticulate exine, whose are representated by the tribe Byttnerieae (Ayenia L., Byttneria L. and Rayleya Cristóbal); (II) pollen grains (2)3-colporate, microreticulate exine, constitute only by Guazuma ulmifolia Lam. (tribe Byttnerieae); (III) pollen grains 3 to 8-colporate, suprareticulate or spinulose exine, represented by Melochia L. and Waltheria L. of the tribe Hermannieae; (IV) pollen grains (2)3(4)-porate, no aspidate, angulaperturate, verrucate or spinulose exine in the species of the tribe Helictereae (Helicteres L.). The results demonstrated the taxonomic importance of pollen morphology studies corroboring with the subdivision of the taxa subordinates in this tribes.
Neste trabalho e apresentado o estudo palinotaxonomico de 27 especies das tribos Byttnerieae, Her... more Neste trabalho e apresentado o estudo palinotaxonomico de 27 especies das tribos Byttnerieae, Hermannieae e Helictereae (Malvaceae s. l.) que ocorrem no Estado da Bahia, com o objetivo de ampliar o conhecimento da morfologia polinica e contribuir para a melhor delimitacao dos taxons ai incluidos. Os graos de polen foram acetolisados, analisados sob microscopias optica e de varredura, descritos e ilustrados por meio de fotomicrografias e eletromicrografias. Considerando a ornamentacao da exina e o tipo apertural, foram reconhecidos quatro tipos polinicos: (I) graos de polen (2)3(4)-porados, aspidados, planaperturados, exina (micro)reticulada, cujos representantes pertencem a tribo Byttnerieae (Ayenia L., Byttneria L. e Rayleya Cristobal); (II) graos de polen (2)3-colporados, exina microrreticulada, constituido apenas por Guazuma ulmifolia Lam. (tribo Byttnerieae); (III) graos de polen 3 a 8 colporados, exina suprarreticulada ou espiculada, representado pelos generos da tribo Hermanni...
In the present work, the pollen morphology of 22 species of Anacardiaceae was analysed, occurring... more In the present work, the pollen morphology of 22 species of Anacardiaceae was analysed, occurring in the state of Bahia, Brazil. The palynological material was obtained from specimens deposited in herbaria. The pollen grains were acetolysed, measured, illustrated and described under light and scanning electron microscopies. The quantitative data were statistically analysed according to sample size. The analysed species presented pollen grains in monads, small to medium sized, isopolar, amb circular to subtriangular, with shapes varying from oblate-spheroidal to prolate, 3-colporate, with fastigium in some species. The exine ornamentation was characterized as psilate, striate, microreticulate-striate, striato-perforate, suprastriato-infra(micro)reticulate. The pollen morphology variation confirms the eurypalynous character of the family. The attributes of the apertures and exine may collaborate in the taxonomic circumscription and provide a clarification of the phylogenetic relations...
The aim of this study was to identify plant species visited by Apis mellifera L. in honey produci... more The aim of this study was to identify plant species visited by Apis mellifera L. in honey producing areas with typical Caatinga vegetation in the State of Bahia, as well as morphologically characterize pollen grains of the most representative species. Flowering specimens were collected from both areas, herborized, identified and deposited at the HUNEB herbarium. Analyses of floristic similarities were performed between eleven municipalities close to the study areas. Pollen was collected from all specimens, acetolyzed, measured, statistically analyzed, morphologically described, and photographed in light microscopy. Of the total of species recorded, 67.46 % were regarded as having beekeeping importance, with the richest botanical families being Fabaceae, Malvaceae and Asteraceae. Additionally, 37.5 % of the recorded species were herbs. The analyzed municipalities showed 84 % of floristic similarity. Of the total species recorded with visits by A. mellifera, 25.52 % had their pollen grains already described in the literature as monads, tetrads and polyads; isopolar, apolar and heteropolar; and mostly prolate spheroidal shape. Sizes varied from small to large, and the amb circular was predominant. The exine ornamentation was greatly diversified, varying from psilate to echinate. The obtained data corroborate the palynological knowledge of plants regarded as having beekeeping importance within the Caatinga.
O presente trabalho teve como objetivo orientar os vendedores informais e a população sobre o uso... more O presente trabalho teve como objetivo orientar os vendedores informais e a população sobre o uso racional e seguro das espécies vegetais utilizadas tradicionalmente pelas comunidades locais. A apresentação de palestra, atividades práticas no herbário como confecção de exsicatas, e entrega de cartilha sobre as principais plantas comercializadas no local foram desenvolvidas no Campus VI, UNEB. Destacou-se a urgência em relação às precauções no uso das plantas medicinais, já que imprecisões na sua utilização podem causar sérios problemas à saúde dos usuários.Palavras chave: Conhecimento popular, etnomedicina, medicina alternativa, vendedores informais.Áreas temáticas: Cultura, educação e meio ambiente
The aim of this study was to identify plant species visited by Apis mellifera L. in honey produci... more The aim of this study was to identify plant species visited by Apis mellifera L. in honey producing areas with typical Caatinga vegetation in the State of Bahia, as well as morphologically characterize pollen grains of the most representative species. Flowering specimens were collected from both areas, herborized, identified and deposited at the HUNEB herbarium. Analyses of floristic similarities were performed between eleven municipalities close to the study areas. Pollen was collected from all specimens, acetolyzed, measured, statistically analyzed, morphologically described, and photographed in light microscopy. Of the total of species recorded, 67.46 % were regarded as having beekeeping importance, with the richest botanical families being Fabaceae, Malvaceae and Asteraceae. Additionally, 37.5 % of the recorded species were herbs. The analyzed municipalities showed 84 % of floristic similarity. Of the total species recorded with visits by A. mellifera, 25.52 % had their pollen grains already described in the literature as monads, tetrads and polyads; isopolar, apolar and heteropolar; and mostly prolate spheroidal shape. Sizes varied from small to large, and the amb circular was predominant. The exine ornamentation was greatly diversified, varying from psilate to echinate. The obtained data corroborate the palynological knowledge of plants regarded as having beekeeping importance within the Caatinga.
O presente trabalho teve como principal objetivo realizar o levantamento florístico de espécies d... more O presente trabalho teve como principal objetivo realizar o levantamento florístico de espécies de angiospermas da Serra da Fumaça, município de Pindobaçu, para ampliar o conhecimento da flora e dos padrões de distribuição de espécies presentes no norte da Chapada Diamantina, Bahia, Brasil. Para tanto, foram realizadas expedições na área de estudo por um período de dois anos, além de levantamento no banco de dados dos herbários HUNEB e HUEFS. Os espécimes férteis foram coletados e processados seguindo os métodos usuais da botânica. O material herborizado foi identificado e incorporado ao HUNEB. Foram registradas 217 espécies, pertencentes a 52 famílias botânicas, com ocorrência de uma taxa de endemismo de 43,32% para espécies brasileiras e 6,9% para a Bahia. Rubiaceae, Orchidaceae, Fabaceae, Melastomataceae, Asteraceae e Euphorbiaceae estão entre as famílias mais representativas na área de estudo, enquanto o tipo de hábito predominante foi o herbáceo. Os dados aqui apresentados pode...
Papilionoideae is the most diverse subfamily of Leguminosae, representing approximately 39 % of i... more Papilionoideae is the most diverse subfamily of Leguminosae, representing approximately 39 % of its species. Although it is particularly species rich and diverse in the Caatinga, the main phytophysiognomy of the semiarid Northeast Region of Brazil, little is known about the pollen morphology of the species that occur there. This study analyzes and describes the pollen morphology of the 27 species of Papilionoideae endemic to the Caatinga. Pollen grains were acetolyzed, mounted on permanent slides, measured, described and photomicrographed using light and scanning electron microscopy (LM and SEM, respectively). The main variable morphological features were pollen grain size, shape, amb, apertural type and exine ornamentation under LM (microreticulate, reticulate, psilate or finely scabrate) and SEM (microreticulate, reticulate, rugulate, granulate, fossulate and perforate). High intergeneric morphological heterogeneity was observed while morphological variation within each genus was subtle. Nonetheless, size, endoaperture shape, fastigium presence/absence and exine ornamentation were found to be important characteristics for the identification of some species.
<b>Table S1 – </b>Pollen morphometric characteristics and measurements (μm) for speci... more <b>Table S1 – </b>Pollen morphometric characteristics and measurements (μm) for species of Anacardiaceae. <b>Table S2 – </b>Morphological characters of the pollen grains of the species of Anacardiaceae. <br>see Original Paper: http://dx.doi.org/10.1590/2175-7860202172115
Background: Plants and bees have coevolved throughout geological time, establishing a mutualistic... more Background: Plants and bees have coevolved throughout geological time, establishing a mutualistic relationship that results in feeding/resource obtention by bees and the reproductive success of angiosperms. Questions and Hypotheses: What is the floristic composition of the vegetation visited by bees in the Caatinga? How are pollen grains from Caatinga bee plant species characterized? Do pollen grains of bee plant species present characters that could be associated with the pollination process? Studied species: We studied the pollen grains of 45 bee plant species belonging to 41 genera and 23 angiosperm families. Among the studied species, 37 % are endemic to Brazil, and eight species are endemic to the Caatinga biome. Study site and dates: Apiary within the Caatinga biome, in the State of Bahia, Brazil. Climate warm semiarid. Fieldwork was carried out between August 2016 and June 2017. Methods: Plants in bloom and being visited by Apis mellifera were collected during biweekly field ...
Papilionoideae is the most diverse subfamily of Leguminosae, representing approximately 39 % of i... more Papilionoideae is the most diverse subfamily of Leguminosae, representing approximately 39 % of its species. Although it is particularly species rich and diverse in the Caatinga, the main phytophysiognomy of the semiarid Northeast Region of Brazil, little is known about the pollen morphology of the species that occur there. This study analyzes and describes the pollen morphology of the 27 species of Papilionoideae endemic to the Caatinga. Pollen grains were acetolyzed, mounted on permanent slides, measured, described and photomicrographed using light and scanning electron microscopy (LM and SEM, respectively). The main variable morphological features were pollen grain size, shape, amb, apertural type and exine ornamentation under LM (microreticulate, reticulate, psilate or finely scabrate) and SEM (microreticulate, reticulate, rugulate, granulate, fossulate and perforate). High intergeneric morphological heterogeneity was observed while morphological variation within each genus was subtle. Nonetheless, size, endoaperture shape, fastigium presence/absence and exine ornamentation were found to be important characteristics for the identification of some species.
The pollen morphology of 17 taxa of Convolvulaceae [Bonamia agrostopolis, Evolvulus (nine species... more The pollen morphology of 17 taxa of Convolvulaceae [Bonamia agrostopolis, Evolvulus (nine species) - Tribe Cresseae), and Jacquemontia (seven species) - Tribe Jacquemontieae)] was described under light microscopy (LM) and scanning electron microscopy (SEM) with the objective of contributing to the palynology and the taxonomy of the group. The pollen material was collected from anthers and/or floral buds of herbarium exsicates, acetolyzed, analyzed quantitative and qualitatively under LM and SEM, described and illustrated. The data presented here on the pollen morphology of the studied Bonamia, Evolvulus and Jacquemontia species, showed that B. agrostopolis has medium, isopolar, microechinate, granulated pollen grains with the 3-colpate apertural type, which is present in the majority of Jacquemontia species studied. On the other hand, Evolvulus species, J. gracillima and J. pentanthos have the same pollen type, characterized by being spheroidal, pantocolpate and microechinate. The o...
This study aimed to identify the pollen types of 11 honey samples produced in apiaries of two cit... more This study aimed to identify the pollen types of 11 honey samples produced in apiaries of two cities in the State of Bahia, Brazil: Antônio Gonçalves (five samples) and Campo Formoso (six samples); to verify richness and diversity from each apiary and to compare the similarity among them. The samples were obtained from beekeepers according to the period of production and availability. The palynological analysis of these samples followed the standard procedures of melissopalynology with the use of acetolysis. The pollen types occurring in the honey samples were identified and at least 1,000 pollen grains per sample were counted to determine the frequency classes and the frequency of occurrence. Overall, 147 pollen types were detected, of which 143 are distributed in 35 botanical families. The most representative families concerning the number of pollen types were: Fabaceae (33), Asteraceae (18), Euphorbiaceae (11), Anacardiaceae and Malvaceae (09 types each), Rubiaceae (08) and Myrta...
This study dealt with six species of Acalyphoideae and 18 species of Euphorbioideae occurring in ... more This study dealt with six species of Acalyphoideae and 18 species of Euphorbioideae occurring in the Caatinga ecoregion, with emphasis on endemic species. Pollen samples were obtained from herbarium specimens and were acetolysed and analysed via light and scanning electron microscopy. The pollen of three genera of Acalyphoideae was medium to large, 3-colporate or 3-colpate, with an echinate-perforate exine that was reticulate, bireticulate, and microreticulate. The six genera of Euphorbioideae studied exhibited pollen grains that were small, medium and large; 3-colporate with margines; and an exine with microreticulate, microreticulate-rugulate, microreticulate-caveate, and reticulate ornamentation. The pollen characteristics were more variable in the Acalyphoideae compared to the relatively homogeneous Euphorbioideae. This study provides new data and interpretations of the pollen morphology of two subfamilies of the Euphorbiaceae of the Caatinga ecoregion in Brazil.
O presente trabalho teve como objetivo orientar os vendedores informais e a população sobre o uso... more O presente trabalho teve como objetivo orientar os vendedores informais e a população sobre o uso racional e seguro das espécies vegetais utilizadas tradicionalmente pelas comunidades locais. A apresentação de palestra, atividades práticas no herbário como confecção de exsicatas, e entrega de cartilha sobre as principais plantas comercializadas no local foram desenvolvidas no Campus VI, UNEB. Destacou-se a urgência em relação às precauções no uso das plantas medicinais, já que imprecisões na sua utilização podem causar sérios problemas à saúde dos usuários.Palavras chave: Conhecimento popular, etnomedicina, medicina alternativa, vendedores informais.Áreas temáticas: Cultura, educação e meio ambiente
Abaeté dunes present a large diversity of communities, forming a mosaic of structurally distinct ... more Abaeté dunes present a large diversity of communities, forming a mosaic of structurally distinct floristic associations. In their fanerogamic flora, Sterculiaceae is represented by the species Ayenia erecta Mart., Melochia spicata (L.) Fryxell, Waltheria cinerescens A. St.-Hil., W. communis A. St.-Hil., W. indica L. and W. viscosissima A. St.-Hil., which pollen morphology was presented here. To the palynological analysis under light microscopy, acetolised pollen grains were used to their morphological characterization. The species are heterogenous, with pollen grains of medium and large size, and their shape varying from suboblate to prolate spheroidal. Only A. erecta specie presented porate pollen grains and the others, colporate ones. Heteromorphism in the number of apertures was recorded: three in A. erecta and M. spicata; three and four in W. viscosissima; four and five in W. indica; five, six and seven in W. communis; five to eight in W. cinerescens. Aspides was recorded in the pollen grains of A. erecta, and costa in the other species. The pollen grains of W. cinerescens and W. communis showed spinulose ornamentation while the others had a micro-reticulate ornamentation. Thus, it is possible to recognise the species studied by the pollen morphology.
Palinotaxonomicaly, 27 species of the tribe Byttnerieae, Hermannieae and Helictereae (Malvaceae s... more Palinotaxonomicaly, 27 species of the tribe Byttnerieae, Hermannieae and Helictereae (Malvaceae s. l.) from Bahia State were studied with aim of to increase alow knowledge pollen morphology and to contribute with a taxonomic delimitation of the taxa. The polliniferous material were acetolysed, analyzed and photographed under light and scanning electron microscopic. Four pollen types are recognized based in exine ornamentation and apertural type: (I) pollen grains (2)3(4)-porate, aspidate, planaperturate, (micro)reticulate exine, whose are representated by the tribe Byttnerieae (Ayenia L., Byttneria L. and Rayleya Cristóbal); (II) pollen grains (2)3-colporate, microreticulate exine, constitute only by Guazuma ulmifolia Lam. (tribe Byttnerieae); (III) pollen grains 3 to 8-colporate, suprareticulate or spinulose exine, represented by Melochia L. and Waltheria L. of the tribe Hermannieae; (IV) pollen grains (2)3(4)-porate, no aspidate, angulaperturate, verrucate or spinulose exine in the species of the tribe Helictereae (Helicteres L.). The results demonstrated the taxonomic importance of pollen morphology studies corroboring with the subdivision of the taxa subordinates in this tribes.
Neste trabalho e apresentado o estudo palinotaxonomico de 27 especies das tribos Byttnerieae, Her... more Neste trabalho e apresentado o estudo palinotaxonomico de 27 especies das tribos Byttnerieae, Hermannieae e Helictereae (Malvaceae s. l.) que ocorrem no Estado da Bahia, com o objetivo de ampliar o conhecimento da morfologia polinica e contribuir para a melhor delimitacao dos taxons ai incluidos. Os graos de polen foram acetolisados, analisados sob microscopias optica e de varredura, descritos e ilustrados por meio de fotomicrografias e eletromicrografias. Considerando a ornamentacao da exina e o tipo apertural, foram reconhecidos quatro tipos polinicos: (I) graos de polen (2)3(4)-porados, aspidados, planaperturados, exina (micro)reticulada, cujos representantes pertencem a tribo Byttnerieae (Ayenia L., Byttneria L. e Rayleya Cristobal); (II) graos de polen (2)3-colporados, exina microrreticulada, constituido apenas por Guazuma ulmifolia Lam. (tribo Byttnerieae); (III) graos de polen 3 a 8 colporados, exina suprarreticulada ou espiculada, representado pelos generos da tribo Hermanni...
In the present work, the pollen morphology of 22 species of Anacardiaceae was analysed, occurring... more In the present work, the pollen morphology of 22 species of Anacardiaceae was analysed, occurring in the state of Bahia, Brazil. The palynological material was obtained from specimens deposited in herbaria. The pollen grains were acetolysed, measured, illustrated and described under light and scanning electron microscopies. The quantitative data were statistically analysed according to sample size. The analysed species presented pollen grains in monads, small to medium sized, isopolar, amb circular to subtriangular, with shapes varying from oblate-spheroidal to prolate, 3-colporate, with fastigium in some species. The exine ornamentation was characterized as psilate, striate, microreticulate-striate, striato-perforate, suprastriato-infra(micro)reticulate. The pollen morphology variation confirms the eurypalynous character of the family. The attributes of the apertures and exine may collaborate in the taxonomic circumscription and provide a clarification of the phylogenetic relations...
Ecologia e Biodiversidade do Semiárido Nordestino Vol 1 VERSÃO E-BOOK, 2016
Prefácio
É preciso iniciar louvando a carinhosa iniciativa coletiva, para qual Maria José Gomes d... more Prefácio É preciso iniciar louvando a carinhosa iniciativa coletiva, para qual Maria José Gomes de Andrade, Eliane Maria de Souza Nogueira e Carlos Alberto Batista dos Santos, se juntaram no ambiente socioinstitucional dos Programas de Pós-graduação em Biodiversidade Vegetal e Ecologia Humana e Gestão Socioambiental, ambos da UNEB Campus VIII – Paulo Afonso, para assumirem o agradável e muito trabalhoso desafio de mobilizar algumas, dentre as muitas, pessoas que se dedicam a pesquisar, construir e transmitir novos conhecimentos, para as presentes e as futuras gerações humanas, sobre um pouco das fantásticas diversidades das Caatingas e suas maravilhosas, e também múltiplas, Gentes Caatingueiras, por meio desse livro que trata da Ecologia e Biodiversidade do Semiárido Nordestino, essa Zona Bioedafoclimática e Ecosociocultural exclusivamente brasileira. Estando essa missão em estágio bem avançado, nem de longe essas duas mulheres e esse homem dedicadas/o, experientes e muito joviais, que tantas contribuições têm dado à Biodiversidade Vegetal e a Ecologia Humana, não imaginavam que me dariam uma das maiores alegrias da minha sexagenária existência de caatingueiro, por escolha e missão. Vejam só quanta generosidade, me oferecer a oportunidade, também desafiadora, de fazer essa apresentação. A primeira em toda a minha vida. Espero não decepcionar, mesmo sabendo que nunca ninguém será unanimidade em qualquer coisa que seja ou faça. Um livro dedicado a se conhecer localmente e a se anunciar globalmente a diversidade biológica e as ecologias do Bioma Caatinga, da nossa Zona Semiárida brasileira, é uma atitude de doação conjunta de muitas Mulheres e Homens, que amam e reverenciam tudo o que é vivo e todos os demais componentes da natureza e do clima semiárido que dão suporte e alimentam as muitas formas de vidas desse Bioma da Região das Secas Nordestinas, que milenarmente é o suporte e a benção para a existência e a co-evolução de suas muitas civilizações multiculturais. É mais do que um compendio, como convencionalmente se entende, é a construção coletiva de uma coletânea especial de sistematizações de novos e especiais conhecimentos sobre muitas das formas de vidas e de suas interdependências, complementações e interrelações cooperativas que, presentemente, se apresentam nas formas e maneiras, e nos modos e jeitos que nessa especial publicação são apresentados, como diversas espécies da flora e da fauna – mais que plantas e animais, muito mais que “matos” e “bichos” –, são algumas das formas de vidas, agora mais conhecidas, graças ao empenho e à dedicação franciscana – literalmente, tanto do Velho Chico, o Rio, quanto Chico Velho, o Santo –, de suas autoras e de seus autores – individuais e coletivos. A todas e todos vocês, que coletivamente construíram os conhecimentos que esse livro contém e nos oferta, agora e para sempre, somente poderemos, caatingueiramente, ter agradecimentos, não apenas pelo que estão fazendo pelo nosso Bioma Caatinga, mas também pelo que estão doando, a nós, às demais pessoas e à sociedade como um todo, desses tempos presentes e do futuro, como exemplo de contribuição abnegada para o fortalecimento da Ecologia Humana, que com mais esses conhecimentos fundamentais sobre Ecologia e Biodiversidade do Semiárido Nordestino, continuará a evoluir cada vez mais como um dos instrumentos indispensáveis à construção e consolidação de Sociedades mais Ecológicas e Humanizadas.
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É preciso iniciar louvando a carinhosa iniciativa coletiva, para qual Maria José Gomes de Andrade, Eliane Maria de Souza Nogueira e Carlos Alberto Batista dos Santos, se juntaram no ambiente socioinstitucional dos Programas de Pós-graduação em Biodiversidade Vegetal e Ecologia Humana e Gestão Socioambiental, ambos da UNEB Campus VIII – Paulo Afonso, para assumirem o agradável e muito trabalhoso desafio de mobilizar algumas, dentre as muitas, pessoas que se dedicam a pesquisar, construir e transmitir novos conhecimentos, para as presentes e as futuras gerações humanas, sobre um pouco das fantásticas diversidades das Caatingas e suas maravilhosas, e também múltiplas, Gentes Caatingueiras, por meio desse livro que trata da Ecologia e Biodiversidade do Semiárido Nordestino, essa Zona Bioedafoclimática e Ecosociocultural exclusivamente brasileira.
Estando essa missão em estágio bem avançado, nem de longe essas duas mulheres e esse homem dedicadas/o, experientes e muito joviais, que tantas contribuições têm dado à Biodiversidade Vegetal e a Ecologia Humana, não imaginavam que me dariam uma das maiores alegrias da minha sexagenária existência de caatingueiro, por escolha e missão. Vejam só quanta generosidade, me oferecer a oportunidade, também desafiadora, de fazer essa apresentação. A primeira em toda a minha vida. Espero não decepcionar, mesmo sabendo que nunca ninguém será unanimidade em qualquer coisa que seja ou faça.
Um livro dedicado a se conhecer localmente e a se anunciar globalmente a diversidade biológica e as ecologias do Bioma Caatinga, da nossa Zona Semiárida brasileira, é uma atitude de doação conjunta de muitas Mulheres e Homens, que amam e reverenciam tudo o que é vivo e todos os demais componentes da natureza e do clima semiárido que dão suporte e alimentam as muitas formas de vidas desse Bioma da Região das Secas Nordestinas, que milenarmente é o suporte e a benção para a existência e a co-evolução de suas muitas civilizações multiculturais.
É mais do que um compendio, como convencionalmente se entende, é a construção coletiva de uma coletânea especial de sistematizações de novos e especiais conhecimentos sobre muitas das formas de vidas e de suas interdependências, complementações e interrelações cooperativas que, presentemente, se apresentam nas formas e maneiras, e nos modos e jeitos que nessa especial publicação são apresentados, como diversas espécies da flora e da fauna – mais que plantas e animais, muito mais que “matos” e “bichos” –, são algumas das formas de vidas, agora mais conhecidas, graças ao empenho e à dedicação franciscana – literalmente, tanto do Velho Chico, o Rio, quanto Chico Velho, o Santo –, de suas autoras e de seus autores – individuais e coletivos.
A todas e todos vocês, que coletivamente construíram os conhecimentos que esse livro contém e nos oferta, agora e para sempre, somente poderemos, caatingueiramente, ter agradecimentos, não apenas pelo que estão fazendo pelo nosso Bioma Caatinga, mas também pelo que estão doando, a nós, às demais pessoas e à sociedade como um todo, desses tempos presentes e do futuro, como exemplo de contribuição abnegada para o fortalecimento da Ecologia Humana, que com mais esses conhecimentos fundamentais sobre Ecologia e Biodiversidade do Semiárido Nordestino, continuará a evoluir cada vez mais como um dos instrumentos indispensáveis à construção e consolidação de Sociedades mais Ecológicas e Humanizadas.