Threatened Species Programme | SANBI Red List of South African Plants

Taxonomy

Scientific Name

Disa schlechteriana Bolus

Higher Classification

Monocotyledons

Family

ORCHIDACEAE

Synonyms

Herschelia schlechteriana (Bolus) H.P.Linder, Herschelianthe schlechteriana (Bolus) N.C.Anthony

National Status

Status and Criteria

Vulnerable D2

Assessment Date

2012/09/01

Assessor(s)

L. von Staden, B. Bytebier & D. Raimondo

Justification

A rare, range-restricted species (EOO 312 kmÂ²), occurring at between four and six locations and potentially threatened by competition from alien invasive plants and habitat degradation.

Distribution

Endemism

South African endemic

Provincial distribution

Western Cape

Range

Langeberg between Riversdale and George.

Habitat and Ecology

Major system

Terrestrial

Major habitats

North Outeniqua Sandstone Fynbos, North Langeberg Sandstone Fynbos, Central Coastal Shale Band Vegetation

Description

Lower dry, north-facing sandstone slopes, 300-1000 m.

Threats

Potentially threatened by competition from alien invasive plants and habitat degradation as a result of destructive wild protea harvesting practices.

Population

Population trend

Stable

Assessment History

Taxon assessed	Status and Criteria	Citation/Red List version
Disa schlechteriana Bolus	VU D2	Raimondo et al. (2009)
Disa schlechteriana Bolus	VU D2	Victor (2002)
Herschelianthe schlechteriana (Bolus) N.C.Anthony	Vulnerable	Hilton-Taylor (1996)
Disa schlechteriana Bolus	Rare	Hall et al. (1980)

Bibliography

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.

Liltved, W.R. and Johnson, S.D. Unpublished.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

Linder, H.P. 1981. Taxonomic studies in the Disinae. VI. A revision of the genus Herschelia. Bothalia 13(3 & 4):365 - 388.

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.

Vlok, J. and Schutte-Vlok, A.L. 2010. Plants of the Klein Karoo. Umdaus Press, Hatfield.

Citation

von Staden, L., Bytebier, B. & Raimondo, D. 2012. Disa schlechteriana Bolus. National Assessment: Red List of South African Plants version . Accessed on 2025/04/14

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