Moraea quartzicola

Taxonomy
Scientific Name
Moraea quartzicola Goldblatt & J.C.Manning
Higher Classification
Monocotyledons
Family
IRIDACEAE
National Status
Status and Criteria
Vulnerable D2
Assessment Date
2016/11/01
Assessor(s)
L. von Staden
Justification
A rare and localized habitat specialist, known from two locations and potentially threatened by habitat loss.
Distribution
Endemism
South African endemic
Provincial distribution
Western Cape
Range
Flats below Vanrhyns Pass and the Matsikamma Mountains east of Vanrhynsdorp.
Habitat and Ecology
Major system
Terrestrial
Major habitats
Knersvlakte Shale Vygieveld, Vanrhynsdorp Gannabosveld, Doringrivier Quartzite Karoo
Description
Flats and gentle slopes with clay-loam soils covered in quartz pebbles.
Threats
There are currently no severe threats to the population. It is however potentially threatened by habitat loss to agricultural expansion and mining, which is likely to significantly increase this species' risk of extinction, should it impact the highly localized population.
Population

Moraea quartzicola is a rare and poorly known species. It was only recently separated from the widespread and common Moraea saxicola (Goldblatt and Manning 2014), and therefore it may be overlooked and possibly more common than records suggest. Currently, it is known from several collections from quartz hills near the foot of Vanrhyns Pass. An old collection with an imprecise locality description suggests it may occur further south along the foot of the Bokkeveld Escarpment and Matsikamma Mountains as far as Klawer.


Population trend
Stable
Bibliography

Goldblatt, P. and Manning, J.C. 2014. Taxonomy of the Moraea saxicola complex (Iridaceae: Iridoideae) of arid, western southern Africa, with the new species, M. acocksii, M. geminifolia, M. quartzicola and M. teretifolia. South African Journal of Botany 91:75-83.


Citation
von Staden, L. 2016. Moraea quartzicola Goldblatt & J.C.Manning. National Assessment: Red List of South African Plants version 2017.1. Accessed on 2017/12/14

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