Merxmuellera cincta subsp. sericea (Poaceae), a new subspecies from the Eastern Cape, South Africa

被引：6

作者：

Barker, NP ^{[1
]}

机构：

[1] Rhodes Univ, Dept Bot, ZA-6140 Grahamstown, South Africa

来源：

SOUTH AFRICAN JOURNAL OF BOTANY | 1999年 / 65卷 / 01期

关键词：

conservation; cytology; floral morphology; leaf anatomy; Merxmuellera; phenetics; taxonomy;

D O I：

10.1016/S0254-6299(15)30947-9

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

A phenetic study based on floral characters from 59 herbarium specimens of Merxmuellera cincta (Nees) Conert reveals two taxa within this species. Merxmuellera cincta (Nees) Conert subsp. sericea N.P. Barker is named and described as new. This subspecies, found mostly in moist coastal dune slacks, can be distinguished on the basis of larger floral parts, lemmas with very long silky hairs, and an unusual leaf anatomy. The habitat and distribution of this new taxon is discussed, and a chromosome count of n = 18 is reported. This new taxon is allocated the IUCN category of Critically Endangered.

引用

页码：104 / 109

页数：6

共 18 条

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