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Issue: Vol. 669 No. 2: 22 Oct. 2024
Type: Article
Published: 2024-10-22
DOI: 10.11646/phytotaxa.669.2.5
Page range: 131-140
Abstract views: 104
PDF downloaded: 8

Rediscovery of Portulaca trianthemoides (Portulacaceae) in southern Africa after 89 years

KwaZulu-Natal Herbarium, South African National Biodiversity Institute, P.O. Box 52099, Berea Road, Durban, 4007 South Africa
Randles Nursery, eThekwini Municipality, Durban, 4001 South Africa
School of Life Sciences, University of KwaZulu-Natal, Private Bag X54001, Durban, 4000 South Africa
Caryophyllales lectotypification rediscovering typification Eudicots

Abstract

Portulaca trianthemoides was described in 1931 and known previously only from the type locality in Soutpansberg, Limpopo, South Africa. It has not been collected since 1934; however, a recent rediscovery of the species led us to investigate the name (typification) and propose an emended description. Some aspects of the ecology of the species are also discussed, and first images of live plants are provided. Despite its restricted distribution area, an estimation of the population size is more than c. 15,000 individuals, suggesting that the species is not of conservation concern.

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