Taxonomic relevance of seed and seedling morphology in two Amazonian species of Entada (Leguminosae)

Acta Amazonica

Rodrigo Schütz Rodrigues¹  Gildo Vieira Feitoza²  Andréia Silva Flores² 

[1] ,Universidade Federal de Roraima Centro de Estudos da Biodiversidade Boa Vista Roraima ,Brazil

关键词: Fabaceae;    Mimosoideae;    embryo;    post-seminal development;    testa;    Desenvolvimento pós-seminal;    embrião;    Fabaceae;    Mimosoideae;    testa;   

DOI  :  10.1590/S0044-59672014000100003

来源: SciELO

【 摘 要 】

We carried out a comparative morphological study to evaluate the taxonomic value of seed and seedling traits of Entada polystachya and E. simplicata (Leguminosae, Mimosoideae, Mimoseae). Seeds of both species were collected from wild populations in Roraima State, Brazil. Our results show consistent quantitative and qualitative differences between these species regarding their seeds and seedlings. Testa fracture lines, funiculus impression, lens characters, radicle shape and length, and cotyledon lobes length, seedling morphology group, number of pinnae at first node, and hypocotyl length permit a straightforward distinction of E. polystachya from E. simplicata, supporting a recent treatment of the latter taxon as a distinct species, endemic to Roraima State, northern Amazonia, Brazil.

【 授权许可】

CC BY   
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