A New Endemic Mimosa (Leguminosae, Mimosoideae) from Pampa Biome, Brazil

被引：5

作者：

Silveira, Fernanda Schmidt ^{[1
]}

Bordignon, Sergio A. L. ^{[2
]}

Sfoggia Miotto, Silvia T. ^{[3
]}

机构：

[1] Univ Fed Rio Grande do Sul, Programa Posgrad Bot, Av Bento Goncalves 9500, BR-91501970 Porto Alegre, RS, Brazil

[2] Ctr Univ La Salle, Programa Mestrado Avaliacao Impactos Ambientais, Ave Victor Barreto 2288, Canoas, RS, Brazil

[3] Univ Fed Rio Grande do Sul, Dept Bot, BR-91501970 Porto Alegre, RS, Brazil

来源：

PHYTOTAXA | 2016年 / 245卷 / 03期

关键词：

Endemic species; New species; South Brazil diversity; legume family; DIVERSITY;

D O I：

10.11646/phytotaxa.245.3.2

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Mimosa terribilis (Leguminosae, Mimosoideae), a new subshrub species, endemic from Pampa grasslands of Rio Grande do Sul State in Southern Brazil, is described and illustrated. The new species is morphologically close to Mimosa ramosissima with respect to its subshrub habit, recurved aculei, stipules 1-nerved, calyx narrowly campanulate, inflorescence capituliform and globose, besides hispid pods. The new species differs from M. ramosissima by not being lobate calyx, nor having nervate calyx; having indumentum that is only puberulent and shorter peduncles (3-6mm long). Furthermore, this species has a narrowly distribution, being known only for south of Rio Grande do Sul State while M. ramosissima is distributed along south and southeast of Brazil.

引用

页码：197 / 206

页数：10

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