Conophytum youngii

Taxonomy
Scientific Name
Conophytum youngii Rodgerson
Higher Classification
Dicotyledons
Family
AIZOACEAE
National Status
Status and Criteria
Vulnerable D2
Assessment Date
2015/06/08
Assessor(s)
A.J. Young
Justification
Recently discovered species known from a single location (AOO <2 km²), where it is potentially threatened by habitat loss to quarrying.
Distribution
Endemism
South African endemic
Provincial distribution
Northern Cape
Range
Namaqualand near Garies.
Habitat and Ecology
Major system
Terrestrial
Major habitats
Namaqualand Klipkoppe Shrubland
Description
Lichen and moss-filled cracks on south-facing sides of granite domes.
Threats
There are active granite quarries in the vicinity of the type locality, and the population is at risk from habitat loss, should there be expansion of quarrying activities to the granite dome where it occurs.
Population

This recently discovered species is known from a single, large subpopulation consisting of several thousand individuals. It belongs to a small group of spring-flowering conophytums (most species flower in autumn), which may explain why it has been overlooked until now, despite its habitat being well-explored. It quite likely occurs on other similar granite domes in the area, but thus far, no more subpopulations have been found. Plants are extremely cryptic when not in flower, and may be easily overlooked. The population is currently stable, but is highly vulnerable due to its extremely localized distribution.


Population trend
Stable
Bibliography

Rodgerson, C. 2012. The National Road and another new Conophytum. CactusWorld 30(4):239-244.


Citation
Young, A.J. 2015. Conophytum youngii Rodgerson. National Assessment: Red List of South African Plants version 2017.1. Accessed on 2017/09/19

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Distribution map

© A.J. Young


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