Conophytum bilobum subsp. claviferens

Taxonomy
Scientific Name
Conophytum bilobum (Marloth) N.E.Br. subsp. claviferens S.A.Hammer
Higher Classification
Dicotyledons
Family
AIZOACEAE
National Status
Status and Criteria
Vulnerable D1+2
Assessment Date
2015/04/16
Assessor(s)
A.J. Young
Justification
This taxon is known from a single location (AOO <10km²), and has not been seen since its discovery. The population is estimated to be less than 1000 plants, and is potentially threatened by grazing and trampling.
Distribution
Endemism
South African endemic
Provincial distribution
Northern Cape
Range
West of Steinkopf.
Habitat and Ecology
Major system
Terrestrial
Major habitats
Namaqualand Klipkoppe Shrubland
Description
Shaded crevices on quartz ridges in Namaqualand Klipkoppe Shrubland.
Threats
The population occurs on a livestock farm, and the area is being grazed. Grazing and trampling may have led to degradation of the habitat.
Population

This taxon is known from a single, small, isolated subpopulation of plants. It has not been seen for several years and no size estimate is available, but there are probably less than 1000 plants.


Population trend
Stable
Assessment History
Taxon assessed
Status and Criteria
Citation/Red List version
Conophytum bilobum (Marloth) N.E.Br. subsp. claviferens S.A.HammerLeast Concern Raimondo et al. (2009)
Bibliography

Hammer, S. 2002. Dumpling and his wife: New view of the genus Conophytum. EAE Creative Colour, Norwich.


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
Young, A.J. 2015. Conophytum bilobum (Marloth) N.E.Br. subsp. claviferens S.A.Hammer. National Assessment: Red List of South African Plants version 2017.1. Accessed on 2017/08/17

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Distribution map

© A.J. Young


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