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Conophytum semivestitum

Taxonomy
Scientific Name
Conophytum semivestitum L.Bolus
Higher Classification
Dicotyledons
Family
AIZOACEAE
National Status
Status and Criteria
Critically Endangered (Possibly Extinct)
Assessment Date
2016/09/15
Assessor(s)
A.J. Young & L. von Staden
Justification
A distinct, but rare and very poorly known species, last recorded in the wild in the 1930s. Collections provide very imprecise locality descriptions, but many field surveys in the wider area where it is presumed to have been recorded from have failed to relocate it in the wild. It is possibly extinct, but may also be overlooked.
Distribution
Endemism
South African endemic
Provincial distribution
Northern Cape
Range
Bushmanland, exact locality unknown.
Habitat and Ecology
Major system
Terrestrial
Description
Unknown, presumably grew on quartzite or feldspar.
Threats
Threats to this species are unknown. It may have declined due to road construction, mining, or overgrazing.
Population

This species is only known from a drawing, based on plants collected somewhere in Bushmanland in the 1930s. It was thought to have been collected in the vicinity of Jakkalswater between Steinkopf and Vioolsdrif, but many field searches in this remote area have failed to relocate the population. There was one later collection, but the locality is not specified. It is possibly extinct, but without precise locality information, it is almost impossible to determine with certainty if it is extinct or not.


Population trend
Unknown
Citation
Young, A.J. & von Staden, L. 2016. Conophytum semivestitum L.Bolus. National Assessment: Red List of South African Plants version 2017.1. Accessed on 2019/12/11

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Distribution map


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