A revision of Brazilian Dimerostemma (Asteraceae, Heliantheae, Ecliptinae), with a new species and taxonomic adjustments

被引：0
|
作者：
Marta Dias de Moraes
João Semir
机构：
[1] Campus Floresta,Universidade Federal do Acre
[2] Universidade Estadual de Campinas,Depto. Botânica
[3] Instituto de Biologia,undefined
来源：
Brittonia | 2009年 / 61卷
关键词：
Asteraceae; Brazil; Ecliptinae; Heliantheae; lectotypification;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Dimerostemma, as circumscribed here, contains 25 species, 19 of which occur in Brazil. The Brazilian species of the genus are revised in the current treatment. The greatest concentration of species is in cerrados and campos rupestres of central western Brazil. One new species (Dimerostemma paneroi) is described, illustrated and discussed, a new combination (D. oblongum) is proposed, and lectotypes are designated for D. arnottii, D. goyazense, D. lippioides, D. pseudosilphioides, D. vestitum, and Verbesina arnottii var. angustifolia. A key to the Brazilian members of Dimerostemma is provided, along with synonymies, descriptions, illustrations, and discussions of the species.
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页码：341 / 365
页数：24
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