Conophytum buysianum subsp. politum

Taxonomy
Scientific Name
Conophytum buysianum A.R.Mitch. & S.A.Hammer subsp. politum A.J.Young & Rodgerson
Higher Classification
Dicotyledons
Family
AIZOACEAE
National Status
Status and Criteria
Endangered B1ab(v)+2ab(v)
Assessment Date
2020/02/10
Assessor(s)
A.J. Young & D. Raimondo
Justification
A localized taxon endemic to the Namaqualand region of South Africa. It is known from an area of 1 km² has and extent of occurrence (EOO) and an area of occupancy (AOO) of 8 km². Three threat based locations are declining due to illegal succulent collecting.
Distribution
Endemism
South African endemic
Provincial distribution
Western Cape
Range
Kliprand in the Northern Cape Province of South Africa.
Habitat and Ecology
Major system
Terrestrial
Major habitats
Namaqualand Klipkoppe Shrubland
Description
Cracks and fissures of granite domes, particularly in areas sheltered under rock lips, but also at the edges of shallow grit pans.
Threats
This taxon is in high demand by collectors, which is heightened by poor survival rates ex situ. Although locally abundant, it is extremely localized in its distribution range, and removal of plants from the wild is causing ongoing decline to the population. Furthermore, habitat loss and degradation due to mining is also a potential threat - prospecting activities have been observed near subpopulations of this taxon (Young et al. 2011).
Population

This taxon has a restricted range, but is locally abundant, with subpopulations all numbering several thousand individuals. These are now under pressure from collecting and are declining.


Population trend
Decreasing
Assessment History
Taxon assessed
Status and Criteria
Citation/Red List version
Conophytum buysianum A.R.Mitch. & S.A.Hammer subsp. politum A.J.Young & RodgersonVU D22017.1
Bibliography

Young, A.J., Rodgerson, C. and Hammer, S.A. 2011. The rough and the smooth: a reassessment of Conophytum reconditum. Bradleya 29:93-102.


Citation
Young, A.J. & Raimondo, D. 2020. Conophytum buysianum A.R.Mitch. & S.A.Hammer subsp. politum A.J.Young & Rodgerson. National Assessment: Red List of South African Plants version 2020.1. Accessed on 2020/07/10

Comment on this assessment Comment on this assessment
Distribution map

© A.J. Young


Search for images of Conophytum buysianum subsp. politum on iNaturalist