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

Collection: Pensoft Publishers

Keywords: Eastern Cape · Topics: Ethnobotanical and Medicinal Plants Studies, Plant Diversity and Evolution, Traditional and Medicinal Uses of Annonaceae

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. P. oligophylla, a reseeder, differs in its lax virgate spreading habit with numerous long glaucous seasonal shoots; single stem, 1(―3)-foliolate glaucous leaflets; more numerous white flowers; and standard petals with a purple ring surrounding a bright yellow nectar patch.

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