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Scientific Name | Crassula inanis Thunb. |
Higher Classification | Dicotyledons |
Family | CRASSULACEAE |
Synonyms | Bulliarda perfoliata (L.f.) DC., Helophytum inane (Thunb.) Eckl. & Zeyh., Helophytum inane (Thunb.) Eckl. & Zeyh. var. latifolium Eckl. & Zeyh., Tillaea inanis (Thunb.) Steud., Tillaea perfoliata L.f., Tillaea perfoliata L.f. var. latifolium (Eckl. & Zeyh.) Walp. |
National Status |
Status and Criteria | Least Concern |
Assessment Date | 2017/09/18 |
Assessor(s) | H. Mtshali, F. Cholo & W. Foden |
Justification | Crassula inanis is widespread and not in danger of extinction. |
Distribution |
Endemism | Not endemic to South Africa |
Provincial distribution | Eastern Cape, Free State, KwaZulu-Natal, Mpumalanga, Western Cape |
Range | This species is widespread across South Africa, from Clanwilliam in Western Cape to Belfast in Mpumalanga. It also occurs in Lesotho. |
Habitat and Ecology |
Major system | Freshwater |
Major habitats | Albany Thicket, Fynbos, Grassland, Nama Karoo, Savanna |
Description | It occurs in permanent water, along river banks and in slow flowing streams, 50-3000 m. |
Threats |
| Some subpopulations are threatened by habitat loss and degradation, mainly due to agriculture, dam construction, fertilizer run-off from agricultural fields, as well as overgrazing. |
Population |
This species is widespread and common. There is ongoing, localized population decline, but this is not significant enough to put this species at risk of extinction.
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Population trend | Decreasing |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | | Crassula inanis Thunb. | Least Concern | Raimondo et al. (2009) | |
Bibliography |
Cook, C.D.K. 2004. Aquatic and wetland plants of southern Africa. Backhuys Publishers, Leiden, The Netherlands.
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.
Sieben, E.J.J. 2009. The status and distribution of vascular plants (Magnoliophyta, Lycophyta, Pteridophyta). In: W.R.T. Darwall, K.G. Smith, D. Tweddle and P. Skelton (eds.), The status and distribution of freshwater biodiversity in southern Africa (pp. 83-98), IUCN and SAIAB, Gland, Switzerland and Grahamstown, South Africa.
Tölken, H.R. 1977. A revision of the genus Crassula in Southern Africa. Contributions from the Bolus Herbarium 8(1&2):1-595.
Tölken, H.R. 1985. Crassulaceae. In: O.A. Leistner (ed). Flora of southern Africa 14,1:1-244. Botanical Research Institute, Pretoria.
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Citation |
| Mtshali, H., Cholo, F. & Foden, W. 2017. Crassula inanis Thunb. National Assessment: Red List of South African Plants version . Accessed on 2025/04/14 |
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