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Scientific Name | Brachystelma gracillimum R.A.Dyer |
Higher Classification | Dicotyledons |
Family | APOCYNACEAE |
Synonyms | Dichaelia gracillima (R.A.Dyer) Bullock |
National Status |
Status and Criteria | Critically Endangered B1ab(iii,v)+2ab(iii,v) |
Assessment Date | 2016/08/24 |
Assessor(s) | P.A. Manyama & N. Hahn |
Justification | Know only from the type specimen, collected in 1940. Its habitat at the type locality is severely degraded due to overgrazing, erosion and bush encroachment. |
Distribution |
Endemism | South African endemic |
Provincial distribution | North West |
Range | Marico district, east of Ramotswa. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | Dwaalboom Thornveld |
Description | Sandy loams in thornveld. |
Threats |
| Severely threatened by habitat degradation due to over grazing by livestock, erosion and bush encroachment (Hahn 2013). |
Population |
This species is only known from the type collection, dating from 1940. Searches of the type locality have thus far failed to relocate this species in the wild (Hahn 2013). It occurs in a remote and botanically poorly explored area, and may be overlooked.
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Population trend | Decreasing |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | | Brachystelma gracillimum R.A.Dyer | CR B1ab(iii,v) | Raimondo et al. (2009) | | Brachystelma gracillimum R.A.Dyer | Data Deficient | Victor (2002) | | Brachystelma gracillimum R.A.Dyer | Rare | Hilton-Taylor (1996) | |
Bibliography |
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.
Dyer, R.A. 1983. Ceropegia, Brachystelma and Riocreuxia in southern Africa. A.A. Balkema, Rotterdam, Netherlands.
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.
Victor, J.E. 2002. South Africa. In: J.S. Golding (ed), Southern African plant Red Data Lists. Southern African Botanical Diversity Network Report 14 (pp. 93-120), SABONET, Pretoria.
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Citation |
| Manyama, P.A. & Hahn, N. 2016. Brachystelma gracillimum R.A.Dyer. National Assessment: Red List of South African Plants version . Accessed on 2025/04/14 |
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