Taxonomy
Scientific Name
Romulea membranacea M.P.de Vos
Higher Classification
Monocotyledons
Family
IRIDACEAE
National Status
Status and Criteria
Vulnerable B1ab(ii,iii,iv,v)
Assessment Date
2007/01/23
Assessor(s)
D. Raimondo
Justification
EOO 4650 km², known from six locations, five of which are threatened by rapidly expanding rooibos tea cultivation.
Distribution
Endemism
South African endemic
Provincial distribution
Northern Cape, Western Cape
Range
Gifberg, southern Bokkeveld and Roggeveld Escarpments.
Habitat and Ecology
Major system
Terrestrial
Major habitats
Roggeveld Karoo, Hantam Karoo, Nieuwoudtville Shale Renosterveld
Description
Sandy flats.
Threats
Threatened by ongoing habitat loss to rapidly expanding rooibos tea cultivation on the Gifberg and Bokkeveld Escarpment.
Population
Population trend
Decreasing
Assessment History
Taxon assessed
Status and Criteria
Citation/Red List version
Romulea membranacea M.P.de VosVU B1ab(ii,iii,iv,v)Raimondo et al. (2009)
Romulea membranacea M.P.de VosVulnerable Hilton-Taylor (1996)
Romulea membranacea M.P.de VosUncertain 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.


Manning, J., Goldblatt, P. and Snijman, D. 2002. The color encyclopedia of Cape bulbs. Timber Press, Portland/Cambridge.


Manning, J.C. and Goldblatt, P. 2001. A synoptic review of Romulea (Iridaceae: Crocoideae) in sub-Saharan Africa, the Arabian Peninsula and Socotra including new species, biological notes, and a new infrageneric classification. Adansonia 23(1):59-108.


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
Raimondo, D. 2007. Romulea membranacea M.P.de Vos. National Assessment: Red List of South African Plants version . Accessed on 2025/05/09

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Distribution map


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