Zobrazeno 1 - 10
of 136
pro vyhledávání: '"João Renato Stehmann"'
Publikováno v:
Acta Botânica Brasílica, Vol 37 (2023)
Abstract Solanaceae comprises many species complexes, taxonomically challenging lineages that require specialized effort to be reliably delimited, and thus develop a reasoned hypothesis at the species level. To obtain an overview of aspects that perm
Externí odkaz:
https://doaj.org/article/b38d6389e34d4663aede0e6690becc54
Publikováno v:
Acta Botânica Brasílica, Vol 37 (2023)
Abstract As part of an ongoing treatment of species of the Brevantherum clade of Solanum, a new species from the Atlantic Forest of Brazil was discovered and is described here. Solanum helix Giacomin & Stehmann sp. nov. is a species well represented
Externí odkaz:
https://doaj.org/article/d05be115766e4978a3c8a76ddc62f695
Autor:
Mariana Augsten, Pablo Burkowski Meyer, Loreta B. Freitas, João A. N. Batista, João Renato Stehmann
Publikováno v:
PhytoKeys, Vol 190, Iss , Pp 113-129 (2022)
Nicotiana gandarela Augsten & Stehmann (Solanaceae), sp. nov., a small ’tobacco’ known only from one locality at Serra do Gandarela, in the state of Minas Gerais, Brazil, is described and illustrated. It is morphologically characterized by its ro
Externí odkaz:
https://doaj.org/article/6325a3c0dead46e28382629e0cf41035
Publikováno v:
PhytoKeys, Vol 178, Iss , Pp 1-15 (2021)
Two new species of Athenaea Sendtn. (Solanaceae) from the Brazilian Atlantic Forest are described and illustrated. Athenaea altoserranae I.M.C. Rodrigues & Stehmann, sp. nov. from the Serra do Mar range, in São Paulo State and Athenaea hunzikeriana
Externí odkaz:
https://doaj.org/article/a8578f11984c42ca863fd8bbdd86e0ff
Autor:
André Luís de Gasper, João Renato Stehmann, Nádia Roque, Narcísio C. Bigio, Ângela Lúcia Bagnatori Sartori, Guilherme Salgado Grittz
Publikováno v:
Acta Botânica Brasílica, Vol 34, Iss 2, Pp 352-359 (2020)
ABSTRACT Herbaria represent irreplaceable repositories of biodiversity and are used to answer questions about conservation, ecology, systematics, and other sciences. In this sense, we characterize the infrastructure, human resources, and idiosyncrasi
Externí odkaz:
https://doaj.org/article/f431de334ce54a05b1753918f60da7ec
Publikováno v:
PhytoKeys, Vol 140, Iss , Pp 125-138 (2020)
Capsicum carassense Barboza & Bianchetti sp. nov., a species from mid-elevation of the Atlantic Forest (Minas Gerais, Brazil) is described and illustrated. This endemic new species is distinguished from the most similar C. mirabile Mart. by its moder
Externí odkaz:
https://doaj.org/article/1ef60d1eb5ac4ea6bd6f87b1c537565f
Autor:
Yuri Fernandes Gouvêa, Luiza Fonseca Amorim de Paula, João Renato Stehmann, Leandro Lacerda Giacomin
Publikováno v:
PhytoKeys, Vol 139, Iss , Pp 63-76 (2020)
Solanum hydroides Gouvêa & Giacomin, sp. nov., is described from central Brazilian Atlantic Forest. It is known from only three localities in Espírito Santo and Minas Gerais states, where granitic/gneissic outcrops (inselbergs or sugar loaves) are
Externí odkaz:
https://doaj.org/article/63306a1068a74fd89a2c02a130879a16
Publikováno v:
PhytoKeys, Vol 118, Iss , Pp 15-32 (2019)
Solanum medusae sp. nov. is described from the Cerrado biome in the Serra da Canastra region, southwestern Minas Gerais State, Brazil. The new species is morphologically similar to the common S. lycocarpum A.St.-Hil. (known as lobeira or wolf-fruit),
Externí odkaz:
https://doaj.org/article/2e64ea2738804660ba8da4488ca3ff29
Publikováno v:
PhytoKeys, Vol 111, Iss , Pp 103-118 (2018)
We describe a new species of spiny Solanum (Solanum subg. Leptostemonum), endemic to the Brazilian Atlantic Forest and associated with granitic outcrops (inselbergs or sugar loaf mountains). Solanum kollastrum Gouvêa & Giacomin, sp. nov. is morpholo
Externí odkaz:
https://doaj.org/article/46a03d710dd14207a2cf3498c7b0f4a3
Autor:
Ubirajara Oliveira, Britaldo Silveira Soares-Filho, Adriano Pereira Paglia, Antonio D. Brescovit, Claudio J. B. de Carvalho, Daniel Paiva Silva, Daniella T. Rezende, Felipe Sá Fortes Leite, João Aguiar Nogueira Batista, João Paulo Peixoto Pena Barbosa, João Renato Stehmann, John S. Ascher, Marcelo Ferreira de Vasconcelos, Paulo De Marco, Peter Löwenberg-Neto, Viviane Gianluppi Ferro, Adalberto J. Santos
Publikováno v:
Scientific Reports, Vol 7, Iss 1, Pp 1-9 (2017)
Abstract Although Brazil is a megadiverse country and thus a conservation priority, no study has yet quantified conservation gaps in the Brazilian protected areas (PAs) using extensive empirical data. Here, we evaluate the degree of biodiversity prot
Externí odkaz:
https://doaj.org/article/785524ce2f7d467395e8b34bd55c2d59