Taxonomy
Scientific Name
Moraea aspera Goldblatt
Higher Classification
Monocotyledons
Family
IRIDACEAE
Synonyms
Homeria spiralis L.Bolus
National Status
Status and Criteria
Vulnerable D2
Assessment Date
2005/09/08
Assessor(s)
P. Goldblatt, D. Raimondo & K. Naidoo
Justification
This species has an area of occupancy (AOO) of less than 20 km². It is known from three locations and is potentially threatened by agricultural expansion. It therefore qualifies as Vulnerable under criterion D.
Distribution
Endemism
South African endemic
Provincial distribution
Northern Cape
Range
It occurs in the Bokkeveld Escarpment.
Habitat and Ecology
Major system
Terrestrial
Major habitats
Hantam Karoo, Nieuwoudtville Shale Renosterveld
Description
Plants grow on tillite clay soils in renosterveld.
Threats
80% of the species' range is gone because of agriculture (P. Goldblatt and J. Manning 2005). Data from conservation farming state that it is restricted to 2 vegetation types: (1) NV Tillite Renosterveld North sands, which had 31.12 km² of which 80% has been transformed and the remaining area is 6.1 km² and (2) the Nieuwoudtville Renosterveld/Karoo mosaic that had 22.3 km², 30% of its area has been transformed leaving just 14.88 km² still intact. The remaining area of vegetation type is 20.98 km²; given that this species only occurs on Northern slopes its AOO within these vegetation types is definitely less than 20 km².
Population
Population trend
Stable
Assessment History
Taxon assessed
Status and Criteria
Citation/Red List version
Moraea aspera GoldblattVU D2Raimondo et al. (2009)
Homeria spiralis L.BolusRare Hilton-Taylor (1996)
Homeria spiralis L.BolusUncertain Hall et al. (1980)
Bibliography

Goldblatt, P. and Manning, J.C. 2000. Cape Plants: A conspectus of the Cape Flora of South Africa. Strelitzia 9. National Botanical Institute, Cape Town.


Hall, A.V., De Winter, M., De Winter, B. and Van Oosterhout, S.A.M. 1980. Threatened plants of southern Africa. South African National Scienctific Programmes Report 45. CSIR, Pretoria.


Hilton-Taylor, C. 1996. Red data list of southern African plants. Strelitzia 4. South African National Botanical Institute, Pretoria.


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
Goldblatt, P., Raimondo, D. & Naidoo, K. 2005. Moraea aspera Goldblatt. National Assessment: Red List of South African Plants version . Accessed on 2025/05/09

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