Psoralea margaretiflora (Psoraleeae, Fabaceae):A new species from the Sneeuberg Centre of Floristic Endemism, Eastern Cape, South Africa

被引：9
|
作者：
Stirton, Charles H. [1 ]
Clark, V. Ralph [2 ]
Barker, Nigel P. [2 ]
Muasya, A. Muthama [1 ]
机构：
[1] Univ Cape Town, Bolus Herbarium, Dept Bot, ZA-7700 Rondebosch, South Africa
[2] Rhodes Univ, Dept Bot, ZA-6140 Grahamstown, South Africa
来源：
PHYTOKEYS | 2011年 / 5卷
基金：
新加坡国家研究基金会; 美国安德鲁·梅隆基金会;
关键词：
Eastern Cape; endemic; Fabaceae; Great Escarpment; Leguminosae; new species; Psoraleeae; Psoralea; Sneeuberg Centre; South Africa; taxonomy;
D O I：
10.3897/phytokeys.5.1585
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
A new species of Psoralea is described. Psoralea margaretiflora C.H. Stirton & V.R. Clark is endemic to the Sneeuberg Centre of Floristic Endemism, Eastern Cape, South Africa. This resprouter is characterised by its small greenish-white flowers with a small trifid purple nectar patch and translucent veins; 5(-7)-pinnate leaflets; multi-branching erect short seasonal flowering shoots; and tall habit of many stiff bare stems with the seasonal shoots massed at the apex. It is most similar to P. oligophylla Eckl. & Zeyh., a widespread species found in the Eastern Cape. The reseeder P. oligophylla differs in its lax virgate spreading habit with numerous long glaucous seasonal shoots; single stem, 1(-3)- glaucous leaflets; more numerous white flowers; and standard petals with a purple ring surrounding a bright yellow nectar patch.
引用
收藏
页码：31 / 38
页数：8
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