|
Scientific Name | Ceropegia occulta R.A.Dyer |
Higher Classification | Dicotyledons |
Family | APOCYNACEAE |
National Status |
Status and Criteria | Endangered B1ab(iii)+2ab(iii) |
Assessment Date | 2016/01/20 |
Assessor(s) | L. von Staden |
Justification | EOO <200 km², plants at two known locations are threatened by ongoing habitat loss to vineyard expansion. |
Distribution |
Endemism | South African endemic |
Provincial distribution | Western Cape |
Range | Worcester to Robertson. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | Robertson Karoo |
Description | Sheltered among karroid shrubs on shale slopes. |
Threats |
| A range-restricted endemic to the Breede River Valley between Worcester and Robertson, where it continues to lose habitat to vineyard expansion. |
Population |
Ceropegia occulta is an extremely rare species, known from only a few collections, but plants are cryptic and possibly overlooked. Known records of this species are from the area between Worcester and Robertson. Dyer (1980) mentions one collection from Suurbraak near Swellendam that may possibly be this species, pending further taxonomic study.
|
Population trend | Decreasing |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | | Ceropegia occulta R.A.Dyer | Threatened | Raimondo et al. (2009) | |
Bibliography |
Dyer, R.A. 1958. New and interesting records of African flowering plants: Ceropegia occulta. Bothalia 7(1):21-22.
Dyer, R.A. 1980. Brachystelma, Ceropegia and Riocreuxia. In: O.A. Leistner (ed). Flora of Southern Africa 27 Part 4:1-88. Botanical Research Institute, Pretoria.
Goldblatt, P. and Manning, J.C. 2000. Cape Plants: A conspectus of the Cape Flora of South Africa. Strelitzia 9. National Botanical Institute, Cape Town.
Manning, J.C. and Goldblatt, P. 2012. Plants of the Greater Cape Floristic Region 1: The Core Cape Flora. Strelitzia 29. South African National Biodiversity Institute, Pretoria.
Raimondo, D., von Staden, L., Foden, W., Victor, J.E., Helme, N.A., Turner, R.C., Kamundi, D.A. and Manyama, P.A. 2009. Red List of South African Plants. Strelitzia 25. South African National Biodiversity Institute, Pretoria.
|
Citation |
| von Staden, L. 2016. Ceropegia occulta R.A.Dyer. National Assessment: Red List of South African Plants version 2017.1. Accessed on 2018/10/16 |
Comment on this assessment
