cometadata/datacite-titles-descriptions-related-identifiers huggingface dataset:
DOI: 10.6084/m9.figshare.7452365
title: Germination, initial development and morpho-anatomy of epiphytic Cactaceae

description: Abstract Epiphytic Cactaceae with ornamental potential are found in the Brazilian Atlantic Forest. Differences in the germination process and post-initial development among plant species are of interest in the production and establishment of seedlings. This study aimed to investigate the germination and post-seminal development in vitro, in water and agar, and the stem morpho-anatomy of adult individuals growing in the natural environment of Rhipsalis neves-armondii, R. teres and L. cruciform, occurring in Santa Catarina. Growth and development analyzes were determined by measurements of length, biomass, chlorophyll and carotenoid content. Anatomical analyzes of the hypocotyl and stem were obtained by cross - sections and parsimony using classical techniques. The development of seedlings in water and in agar, indicated that it is indispensable to increase nutrients, because the reserve substances were depleted until 60 days of cultivation. In agar, the seeds of R. neves-armondii did not germinate. Anatomical features of the hypocotyl of R. teres and L. cruciforme seedlings were similar. The stem of these species adult individuals also revealed a similar histological constitution. Cuticle thick and water-storage parenchyma verified in the hypocotyl of the seedlings and the stems of adult plants are xeric characteristics, important for water economy of these epiphytes that are protected of the solar irradiation by the phorophyte, but with limitation of water availability.
DOI: 10.6084/m9.figshare.7452077
title: We need to talk about floral larceny

description: Abstract Floral resources mediate the mutual interactions between plants and pollinators. In an optimal manner, the investment of flowers in the production of resources is rewarded by floral visitors through adequate transport of pollen among conspecific individuals. However, visitors can obtain resources in different ways, with different implications in the pollination process and floral integrity. A range of terms and concepts has been used for the diversity of behaviors involved in floral larceny, but the main terms are consolidated after the seminal paper by David W. Inouye in 1980. Many studies in pollination biology in Brazil deal with these concepts adequately, however, the use of terms in Portuguese such as nectar thief and robber are inconsistent. I here suggest definitions and terms in Portuguese for floral larceny based on the concepts of legitimate and illegitimate visits.
DOI: 10.6084/m9.figshare.7452077.v1
title: We need to talk about floral larceny

description: Abstract Floral resources mediate the mutual interactions between plants and pollinators. In an optimal manner, the investment of flowers in the production of resources is rewarded by floral visitors through adequate transport of pollen among conspecific individuals. However, visitors can obtain resources in different ways, with different implications in the pollination process and floral integrity. A range of terms and concepts has been used for the diversity of behaviors involved in floral larceny, but the main terms are consolidated after the seminal paper by David W. Inouye in 1980. Many studies in pollination biology in Brazil deal with these concepts adequately, however, the use of terms in Portuguese such as nectar thief and robber are inconsistent. I here suggest definitions and terms in Portuguese for floral larceny based on the concepts of legitimate and illegitimate visits.
DOI: 10.6084/m9.figshare.7452389
title: Characterization and biogeographic history of neotropical dry ecosystems

description: Abstract The Neotropical region holds the largest species richness in the globe, occurring from Central Mexico to southern of Brazil. In this paper, we aim to summarize the main information available in the literature that characterizes the Neotropical biomes of Seasonally Dry Forests (SDF), Chaco and Savannas. Here we surveyed and reviewed biogeographic hypotheses concerning these environments that seek to explain their historical dynamics. Our goal is to offer a characterization of these biomes as a major step towards the understanding of the main hypotheses biogeographical associated with them. Although it supports an attractive scenario for research, Neotropical species are poorly studied, and questions concerning their ecological aspects, origin, evolutionary history and maintenance of the high biodiversity are unknown or even little understood. Although our review presents researches with different points of view regarding the biogeographic dynamics of vegetation formations, there is a consensus of being the product of a complex interaction between the historical, ecological and biological processes. Biodiversity studies of threatened regions, such as the Neotropic, are guidance for simulations and impacts predictions, for plans and research strategies.
DOI: 10.6084/m9.figshare.7452389.v1
title: Characterization and biogeographic history of neotropical dry ecosystems

description: Abstract The Neotropical region holds the largest species richness in the globe, occurring from Central Mexico to southern of Brazil. In this paper, we aim to summarize the main information available in the literature that characterizes the Neotropical biomes of Seasonally Dry Forests (SDF), Chaco and Savannas. Here we surveyed and reviewed biogeographic hypotheses concerning these environments that seek to explain their historical dynamics. Our goal is to offer a characterization of these biomes as a major step towards the understanding of the main hypotheses biogeographical associated with them. Although it supports an attractive scenario for research, Neotropical species are poorly studied, and questions concerning their ecological aspects, origin, evolutionary history and maintenance of the high biodiversity are unknown or even little understood. Although our review presents researches with different points of view regarding the biogeographic dynamics of vegetation formations, there is a consensus of being the product of a complex interaction between the historical, ecological and biological processes. Biodiversity studies of threatened regions, such as the Neotropic, are guidance for simulations and impacts predictions, for plans and research strategies.
DOI: 10.6084/m9.figshare.8324669
title: In vitro propagation of Angelonia integérrima

description: Abstract Due to the difficulty of obtaining seedlings of Agelonia integerrima, species with ornamental potential, from seeds, by conventional methods, studies were carried out to test the viability of in vitro seedling production. In order to propagate Angelonia integerrima, studies have been developed to generate information for the in vitro production of seedlings. Four experiments were conducted: a) germination of seeds stored at two locations (refrigerated environment and laboratory bench) and different salt concentrations (100, 75 and 50%) in a MS medium; b) multiplication using benzylaminopurine (BAP) (0.0, 0.5 and 1.0 mg L-1) and naphthalene acetic acid (NAA) (0.0, 0.1 and 0.5 mg L-1); c) in vitro rooting using indolebutyric acid (IBA) (0, 0.25, 0.50, 0.75 and 1.0 mg L-1) and d) acclimatization of seedlings. Seeds stored at refrigerated environment showed higher germination percentages, germination speed indexes (GSI) and plantlets formed. Germination was not affected by the concentration of salts in the medium and can be used at low concentrations. For multiplication, there was an interaction between BAP and NAA. 1.0 mg L-1 of BAP and 0.1 mg L-1 of NAA are recommended. For rooting, a quadratic equation was adjusted for the variables percentage of callus formation and rooting. The concentration 0.83 mg L-1 results in the maximum response point for rooting. The species presented 50.8% of acclimatization.
DOI: 10.6084/m9.figshare.8324669.v1
title: In vitro propagation of Angelonia integérrima

description: Abstract Due to the difficulty of obtaining seedlings of Agelonia integerrima, species with ornamental potential, from seeds, by conventional methods, studies were carried out to test the viability of in vitro seedling production. In order to propagate Angelonia integerrima, studies have been developed to generate information for the in vitro production of seedlings. Four experiments were conducted: a) germination of seeds stored at two locations (refrigerated environment and laboratory bench) and different salt concentrations (100, 75 and 50%) in a MS medium; b) multiplication using benzylaminopurine (BAP) (0.0, 0.5 and 1.0 mg L-1) and naphthalene acetic acid (NAA) (0.0, 0.1 and 0.5 mg L-1); c) in vitro rooting using indolebutyric acid (IBA) (0, 0.25, 0.50, 0.75 and 1.0 mg L-1) and d) acclimatization of seedlings. Seeds stored at refrigerated environment showed higher germination percentages, germination speed indexes (GSI) and plantlets formed. Germination was not affected by the concentration of salts in the medium and can be used at low concentrations. For multiplication, there was an interaction between BAP and NAA. 1.0 mg L-1 of BAP and 0.1 mg L-1 of NAA are recommended. For rooting, a quadratic equation was adjusted for the variables percentage of callus formation and rooting. The concentration 0.83 mg L-1 results in the maximum response point for rooting. The species presented 50.8% of acclimatization.
DOI: 10.6084/m9.figshare.8324672.v1
title: Flora of Ceará, Brazil: Solanum (Solanaceae)

description: Abstract This work presents a survey of Solanum (Solanaceae), as part of the project “Flora of Ceará”. Morphological studies, collections and field observations were performed. Identifications were based on specialized bibliography, complemented by the analysis of collections of brazilian and international herbaria including types specimens. In Ceará Solanum is represented by 31 species, 26 of which occur in protected areas, and ten taxa are new records. Identification key, comments, illustrations and images of the species are provided.
DOI: 10.6084/m9.figshare.8324672
title: Flora of Ceará, Brazil: Solanum (Solanaceae)

description: Abstract This work presents a survey of Solanum (Solanaceae), as part of the project “Flora of Ceará”. Morphological studies, collections and field observations were performed. Identifications were based on specialized bibliography, complemented by the analysis of collections of brazilian and international herbaria including types specimens. In Ceará Solanum is represented by 31 species, 26 of which occur in protected areas, and ten taxa are new records. Identification key, comments, illustrations and images of the species are provided.
DOI: 10.6084/m9.figshare.8324675
title: Successional stage of a semideciduous seasonal secondary forest with different land use history in the southern of Espírito Santo

description: Abstract To consider past land use on vegetative structure studies of forest fragments can contribute to conservation and forest restoration actions. From this we aim to compare three sites of a forest fragment with distinct anthropogenic disturbances and to verify if they differ on successional stage through analyses of structural traits (trees) and non-trees abundance (lianas) The studied area is located in the Alegre municipality, ES state, in a semideciduous seasonal forest matrix with different land use history composed of selective cutting (CS), coffee crop (CC) and pasture (PA). At each site, randomly plots were sample (19 total plots, 20 × 20 m each), totaling 0.76 ha. All tree individuals with DBH ≥ 5 cm and liana with DBH ≥ 1 cm were sampled. The successional category showed an advanced stage of succession in the CS and PA sites. The specie with higher VI, the dispersion syndromes and the abundance of lianas showed successional advanced stage only in the PA site, because is located inside the forest fragment providing greater protection from edge effects, and anthropogenic disturbances. The others analyses didn´t showed statistical differences between the three sites.
DOI: 10.6084/m9.figshare.8324675.v1
title: Successional stage of a semideciduous seasonal secondary forest with different land use history in the southern of Espírito Santo

description: Abstract To consider past land use on vegetative structure studies of forest fragments can contribute to conservation and forest restoration actions. From this we aim to compare three sites of a forest fragment with distinct anthropogenic disturbances and to verify if they differ on successional stage through analyses of structural traits (trees) and non-trees abundance (lianas) The studied area is located in the Alegre municipality, ES state, in a semideciduous seasonal forest matrix with different land use history composed of selective cutting (CS), coffee crop (CC) and pasture (PA). At each site, randomly plots were sample (19 total plots, 20 × 20 m each), totaling 0.76 ha. All tree individuals with DBH ≥ 5 cm and liana with DBH ≥ 1 cm were sampled. The successional category showed an advanced stage of succession in the CS and PA sites. The specie with higher VI, the dispersion syndromes and the abundance of lianas showed successional advanced stage only in the PA site, because is located inside the forest fragment providing greater protection from edge effects, and anthropogenic disturbances. The others analyses didn´t showed statistical differences between the three sites.
DOI: 10.6084/m9.figshare.8324633
title: Native species of Hibiscus (Malvoideae, Malvaceae) from Southeast Brazil

description: Abstract Hibiscus is one of the largest genus of Malvaceae, with approximately 300 species widely spreaded in the world. In Brazil there are 33 native species (25 endemic), mainly in Cerrado. In view of the lack of studies on biodiversity and taxonomy for the genus in the nacional territory, the objective was to bring information about the native species of Southeast Brazil, describing the relationship between them, providing identification keys and descriptions of the species. We conducted bibliographical surveys in the main databases, collections analysis of the Southeast herbaria, in situ sampling, morphological analysis and taxonomic treatment. Through this study, two synonymizations were proposed and the inclusion of one species in the Brazilian list, recognizing 14 native species for the Southeast, six endemic species. The Hibiscus were characterized as sub-shrub to shrubs up to three meters. The species inhabit paludous areas of the Atlantic Forest, specially restinga and many phytophysiognomies of Cerrado.
DOI: 10.6084/m9.figshare.8324633.v1
title: Native species of Hibiscus (Malvoideae, Malvaceae) from Southeast Brazil

description: Abstract Hibiscus is one of the largest genus of Malvaceae, with approximately 300 species widely spreaded in the world. In Brazil there are 33 native species (25 endemic), mainly in Cerrado. In view of the lack of studies on biodiversity and taxonomy for the genus in the nacional territory, the objective was to bring information about the native species of Southeast Brazil, describing the relationship between them, providing identification keys and descriptions of the species. We conducted bibliographical surveys in the main databases, collections analysis of the Southeast herbaria, in situ sampling, morphological analysis and taxonomic treatment. Through this study, two synonymizations were proposed and the inclusion of one species in the Brazilian list, recognizing 14 native species for the Southeast, six endemic species. The Hibiscus were characterized as sub-shrub to shrubs up to three meters. The species inhabit paludous areas of the Atlantic Forest, specially restinga and many phytophysiognomies of Cerrado.
DOI: 10.6084/m9.figshare.8324639
title: Tool for validation and import in herbarium database

description: Abstract Many biological collections databases feature data quality problems. On the existing computational resources, we present an import tool and data validation. The program applies filters to data submitted through a spreadsheet at the time of data import, streamlining the error-checking process. The validations presented were divided into three categories according to the taxonomic, geographical and general specimen collection data. Its implementation eliminated the errors in the data entry of new vouchers in the Herbarium of the Botanical Garden of Rio de Janeiro.
DOI: 10.6084/m9.figshare.9599507
title: Epilithic diatom flora in Cali River hydrographical basin, Colombia

description: Abstract This research aimed to study the composition of epilithic diatom flora found in samples collected in Cali River hydrographical basin, Colombia. Quarterly excursions (March, June, September and December of 2012 and March of 2013) were performed in six sampling sites to collect samples for identification of diatom organisms (Class Bacillariophyceae). The results indicated the occurrence of 82 taxa distributed in 26 families and 38 genera. 32 of these are new occurrences in Colombia. The most representative families were Gomphonemataceae, Naviculaceae and Bacillariaceae. The genera richest in species were Navicula, Gomphonema and Nitzschia. Eight species occurred in all sampling sites: Achnanthidium minutissimum, Cocconeis lineata, Cymbella affinis, Gomphonema pumilum var. rigidum, Melosira varians, Navicula symmetrica, Reimeria sinuata and Rhoicosphenia abbreviata. The results indicated 13 species considered dominant and characterize the flora of epilithic diatoms in Cali River hydrographical basin, Colombia.
DOI: 10.6084/m9.figshare.9599507.v1
title: Epilithic diatom flora in Cali River hydrographical basin, Colombia

description: Abstract This research aimed to study the composition of epilithic diatom flora found in samples collected in Cali River hydrographical basin, Colombia. Quarterly excursions (March, June, September and December of 2012 and March of 2013) were performed in six sampling sites to collect samples for identification of diatom organisms (Class Bacillariophyceae). The results indicated the occurrence of 82 taxa distributed in 26 families and 38 genera. 32 of these are new occurrences in Colombia. The most representative families were Gomphonemataceae, Naviculaceae and Bacillariaceae. The genera richest in species were Navicula, Gomphonema and Nitzschia. Eight species occurred in all sampling sites: Achnanthidium minutissimum, Cocconeis lineata, Cymbella affinis, Gomphonema pumilum var. rigidum, Melosira varians, Navicula symmetrica, Reimeria sinuata and Rhoicosphenia abbreviata. The results indicated 13 species considered dominant and characterize the flora of epilithic diatoms in Cali River hydrographical basin, Colombia.
DOI: 10.6084/m9.figshare.9599429
title: Increasing biogeographical knowledge of Pleurophora pulchra (Lythraceae) with conservation biology approach

description: Abstract Having been recently described (2015), knowledge of the biogeography of Pleurophora pulchra is limited, which made its inclusion in the first evaluation of Priority Areas for Conservation of the Flora of the Caatinga Domain (PACFCs) and Conservation Units (CUs) impossible. We describe the biogeographical potential of P. pulchra in the Caatinga using species distribution modeling (SDM), with the aim of broadening discussions about PACFCs and CUs. We used the Maxent algorithm to compute the final model (SDMf), and the Binomial test to evaluate their performance. We found that P. pulchra tends to occur in environments with high aridity, low annual precipitation, intense precipitation seasonality, stable temperatures in the colder months, and thin soils that range from poorly to well drained. The SDMf revealed areas with environmental suitability predominantly in the Southern Sertaneja Depression of the states of Bahia, Pernambuco and Paraíba, as well as areas of the Borborema Plateau in Paraíba. The CUs APAs Cariri and Lago de Sobradinho, and the PACFCs Jatobá and Cariri Paraibano stood out as having environmental suitability values above 0.5. The binomial test exhibited good performance for SDMf (p &lt; 0.001 t =1), reinforcing the possibility of new records of P. pulchra in the aforementioned areas.
DOI: 10.6084/m9.figshare.9599429.v1
title: Increasing biogeographical knowledge of Pleurophora pulchra (Lythraceae) with conservation biology approach

description: Abstract Having been recently described (2015), knowledge of the biogeography of Pleurophora pulchra is limited, which made its inclusion in the first evaluation of Priority Areas for Conservation of the Flora of the Caatinga Domain (PACFCs) and Conservation Units (CUs) impossible. We describe the biogeographical potential of P. pulchra in the Caatinga using species distribution modeling (SDM), with the aim of broadening discussions about PACFCs and CUs. We used the Maxent algorithm to compute the final model (SDMf), and the Binomial test to evaluate their performance. We found that P. pulchra tends to occur in environments with high aridity, low annual precipitation, intense precipitation seasonality, stable temperatures in the colder months, and thin soils that range from poorly to well drained. The SDMf revealed areas with environmental suitability predominantly in the Southern Sertaneja Depression of the states of Bahia, Pernambuco and Paraíba, as well as areas of the Borborema Plateau in Paraíba. The CUs APAs Cariri and Lago de Sobradinho, and the PACFCs Jatobá and Cariri Paraibano stood out as having environmental suitability values above 0.5. The binomial test exhibited good performance for SDMf (p &lt; 0.001 t =1), reinforcing the possibility of new records of P. pulchra in the aforementioned areas.
DOI: 10.6084/m9.figshare.9599486.v1
title: Richness and endemism of Lauraceae in Paraná: Phytogeographical aspects and priority areas for conservation

description: Abstract Lauraceae are among the three main families of the arboreal component of the forests in Paraná, being a frequent element in phytosociological and biogeographic studies. In spite of this, the family remains insufficiently known in the state. Our aims were: to recognize the species of Lauraceae in Paraná, relating them to the phytogeographic units; map the regions with the greatest species richness and concentration of endemisms; identify complementarity areas and compare them with the priority areas for conservation. We used collection records from 23 national herbaria, totaling 3,332 specimens analyzed, plotting their geographic coordinates onto the phytogeographic map of the state. We found that there are 76 species in Paraná, of which eleven are cited for the first time in the state. The Atlantic Rainforest contains the largest number of species (59 spp.), followed by the Araucaria Rainforest (31 spp.), Semideciduous Forest (23 spp.), Savanna (9 spp.), and Grasslands (2 spp.). The Serra do Mar and Ribeira Valley regions have the highest concentration of species, as well as the highest index of endemism. The Lauráceas State Park is a strategic conservation unit, because it houses two thirds of the species of Paraná, including seven endemic.