Taxonomy
Scientific Name
Holothrix longicornu G.J.Lewis
Higher Classification
Monocotyledons
Family
ORCHIDACEAE
National Status
Status and Criteria
Critically Endangered D
Assessment Date
2006/11/07
Assessor(s)
L. von Staden, W.R. Liltved, E.G.H. Oliver & T.A. Oliver
Justification
Known from the type locality, collected near Port Elizabeth in 1937, and thought extinct for a long time. Bill Liltved (Cape Orchidaceae expert) recently discovered a subpopulation on the Cape Peninsula where there are fewer than 10 mature individuals.
Distribution
Endemism
South African endemic
Provincial distribution
Eastern Cape, Western Cape
Range
Port Elizabeth and Cape Peninsula.
Habitat and Ecology
Major system
Terrestrial
Major habitats
Peninsula Sandstone Fynbos, Algoa Sandstone Fynbos
Description
Lower sandstone slopes.
Threats
Habitat loss, Human disturbance
Population
Population trend
Stable
Assessment History
Taxon assessed
Status and Criteria
Citation/Red List version
Holothrix longicornu G.J.LewisCR DRaimondo et al. (2009)
Holothrix longicornu G.J.LewisExtinct Victor (2002)
Holothrix longicornu G.J.LewisExtinct Hilton-Taylor (1996)
Holothrix longicornu G.J.LewisUncertain 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.


Immelman, K.L. 1996. FSA contributions 6: Orchidaceae: Holothrix. Bothalia 26(2):125-140.


Liltved, W.R. and Johnson, S.D. Unpublished. The Cape Orchids - Wild orchids of the Cape Floral Kingdom.


Linder, H.P. and Kurzweil, H. 1999. Orchids of southern Africa. A.A. Balkema, Rotterdam.


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.


Victor, J.E. 2002. South Africa. In: J.S. Golding (ed), Southern African plant Red Data Lists. Southern African Botanical Diversity Network Report 14 (pp. 93-120), SABONET, Pretoria.


Citation
von Staden, L., Liltved, W.R., Oliver, E.G.H. & Oliver, T.A. 2006. Holothrix longicornu G.J.Lewis. National Assessment: Red List of South African Plants version . Accessed on 2025/04/13

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Distribution map


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