Raphionacme villicorona (Apocynaceae: Periplocoideae), a new species from the Sekhukhuneland Centre of Plant Endemism, South Africa

A new species, Raphionacme villicorona Venter is described from the Sekhukhuneland Centre of Plant Endemism in the Limpopo Province, South Africa. It was discovered in dry mountain savanna of the northern Leolo Mountain range. R. villicorona belongs to a small group of Raphionacme species in which the gynostegium is elevated above the corolla mouth. The villous condition of the corona lobes is unique in the genus. An IUCN Red List status of VU D2 is recommended.