Athanasia argentea and A. gyrosa (Asteraceae), two new species from the Cape Floristic Region of South Africa |
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| Affiliation: | 1. Compton Herbarium, South African National Biodiversity Institute, Private Bag X7, Claremont 7735, South Africa;2. Department of Botany and Plant Biotechnology, University of Johannesburg, P.O. Box 524, Auckland Park 2006, Johannesburg, South Africa |
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| Abstract: | Two new species of Athanasia (Asteraceae) from the Swartruggens Mountains in the Cape Floristic Region (CFR) of South Africa are described. Athanasia argentea is distinguished by the closely imbricate leaf arrangement, the canescent, curved to geniculate leaves and solitary capitula; and Athanasia gyrosa, by the closely imbricate, spiral leaf arrangement, capitula not apically constricted, and relatively large cypselas with ribs extending into apical horns. |
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