title: Psoralea margaretiflora (Psoraleeae, Fabaceae): A new species from the Sneeuberg Centre of Floristic Endemism, Eastern Cape, South Africa.
abstract: 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 Psoralea oligophylla Eckl. & Zeyh., a widespread species found in the Eastern Cape. The reseeder Psoralea 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.
authors.affiliation: Bolus Herbarium, Botany Department, University of Cape Town, Rondebosch, 7700, South Africa.
authors.forename: Charles H
authors.initials: CH
authors.lastname: Stirton
authors.forename: V Ralph
authors.initials: VR
authors.lastname: Clark
authors.forename: Nigel P
authors.initials: NP
authors.lastname: Barker
authors.forename: A Muthama
authors.initials: AM
authors.lastname: Muasya