Brachystelma canum

Taxonomy
Scientific Name
Brachystelma canum R.A.Dyer
Higher Classification
Dicotyledons
Family
APOCYNACEAE
National Status
Status and Criteria
Critically Endangered (Possibly Extinct)
Assessment Date
2016/08/24
Assessor(s)
N. Hahn & L. von Staden
Justification
Brachystelma canum was last collected in 1956. Several attempts to relocate this species in the wild have failed. It is possibly extinct due to habitat loss to agricultural expansion.
Distribution
Endemism
South African endemic
Provincial distribution
North West
Range
Between Setlagole and Mafeking.
Habitat and Ecology
Major system
Terrestrial
Major habitats
Mafikeng Bushveld
Description
Sandy Terminalia veld.
Threats
The area where this species was last recorded has been extensively transformed as a result of the expansion of commercial agriculture. It is likely that the population at the type locality has been lost to ploughing.
Population

This species is only known from the type collection, dating from 1956. The locality is well-documented. Several attempts to relocate this species at the type locality and surrounding areas have been futile (Hahn 2013). It is possibly extinct due to habitat loss.


Population trend
Decreasing
Assessment History
Taxon assessed
Status and Criteria
Citation/Red List version
Brachystelma canum R.A.DyerCR B1ab(iii,v)Raimondo et al. (2009)
Bibliography

Dyer, R.A. 1977. Two new species of Brachystelma. Bothalia 12(2):254-255.


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.


Hahn, N. 2013. Rare, endangered and endemic flora of the North West Province. Unpublished Report to the Department of Economic Development, Conservation and Tourism, North West Provincial Government.


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
Hahn, N. & von Staden, L. 2016. Brachystelma canum R.A.Dyer. National Assessment: Red List of South African Plants version 2017.1. Accessed on 2017/07/24

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Distribution map


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