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Scientific Name | Gibbaeum velutinum (L.Bolus) Schwantes |
Higher Classification | Dicotyledons |
Family | AIZOACEAE |
Synonyms | Gibbaeum austricola H.F.Glen, Gibbaeum haagei Schwantes, Gibbaeum haagei Schwantes var. haagei, Gibbaeum haagei Schwantes var. parviflorum L.Bolus, Gibbaeum haaglenii H.E.K.Hartmann, Gibbaeum schwantesii Tischer, Mentocalyx velutinum (L.Bolus) Schwantes, Mesembryanthemum velutinum L.Bolus, not of Dinter (1923) |
Common Names | Velvet Humpfig (e) |
National Status |
Status and Criteria | Vulnerable B1ab(ii,iii,iv,v)+2ab(ii,iii,iv,v) |
Assessment Date | 2023/08/22 |
Assessor(s) | J.H. Vlok & D. Raimondo |
Justification | A species endemic to the Little Karoo, it has an extent of occurrence (EOO) of 76 km² and an area of occupancy (AOO) of 26-34 km², less than 10 known locations continue to decline due to habitat loss to urban expansion around Barrydale, quarrying, and trampling by livestock. It therefore qualifies for listing as Vulnerable under criterion B. |
Distribution |
Endemism | South African endemic |
Provincial distribution | Western Cape |
Range | It occurs west of Barrydale from Springfontein to Soutkloof, in the Western Cape Province of South Africa. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | Montagu Shale Renosterveld, Eastern Ruens Shale Renosterveld, Central Ruens Shale Renosterveld, Swellendam Silcrete Fynbos |
Description | It grows on bare shale ridges. |
Threats |
| Plants on the urban edge of Barrydale are threatened by ongoing habitat loss to development. Some plants have been lost in the past to gravel mining for road construction, and this threat is continuing sporadically with road upgrades and maintenance. Some subpopulations are threatened by grazing and trampling by livestock. |
Population |
Population trend | Decreasing |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | | Gibbaeum haaglenii H.E.K.Hartmann | EN B1ab(iii,v) | Raimondo et al. (2009) | | Gibbaeum velutinum (L.Bolus) Schwantes | VU B1ab(ii,iii,iv,v)+2ab(ii,iii,iv,v) | Raimondo et al. (2009) | |
Bibliography |
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.
Hilton-Taylor, C. 1996. Red data list of southern African plants. Strelitzia 4. South African National Botanical 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.
Thiede, J. and Niesler, I.M. 2012. Taxonomy of the genus Gibbaeum (Aizoaceae) and clarification of the confusion around Gibbaeum haagei, with a new species Gibbaeum hartmannianum. Haseltonia 18:34-44.
Vlok, J. and Schutte-Vlok, A.L. 2010. Plants of the Klein Karoo. Umdaus Press, Hatfield.
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Citation |
| Vlok, J.H. & Raimondo, D. 2023. Gibbaeum velutinum (L.Bolus) Schwantes. National Assessment: Red List of South African Plants version . Accessed on 2025/04/13 |
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