Scientific Name
Acmadenia gracilis Dummer
Higher Classification
National Status
Status and Criteria
Vulnerable B1ab(ii,iii,v)+2ab(ii,iii,v)
Assessment Date
J.E. Victor, J.H. Vlok, D. Raimondo & S.L. Hutchinson
EOO 885 km², seven known locations are declining due to invasive alien plants and too frequent fires.
South African endemic
Provincial distribution
Western Cape
Langeberg, Outeniqua and Kammanassie mountains.
Habitat and Ecology
Major system
Major habitats
South Kammanassie Sandstone Fynbos, South Outeniqua Sandstone Fynbos, North Outeniqua Sandstone Fynbos, South Langeberg Sandstone Fynbos
Mountain summit and north-facing slopes close to wet areas.
Three subpopulations experience ongoing threat from invasive alien plants and one subpopulation is threatened by too frequent fires. Habitat loss to pine plantations was a threat in the past.

Three out of the eight known subpopulations have data indicating sizes of <50, <210 and 10 000 individuals.

Population trend
Assessment History
Taxon assessed
Status and Criteria
Citation/Red List version
Acmadenia gracilis DummerVU D2Raimondo et al. (2009)
Acmadenia gracilis DummerVU D2Victor (2002)
Acmadenia gracilis DummerVulnerable Hilton-Taylor (1996)

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.

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.

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.

Williams, I. 1982. Studies in the genera of the Diosmeae (Rutaceae): 13. A revision of the genus Acmadenia. Journal of South African Botany 48(2):169-240.

Victor, J.E., Vlok, J.H., Raimondo, D. & Hutchinson, S.L. 2012. Acmadenia gracilis Dummer. National Assessment: Red List of South African Plants version 2020.1. Accessed on 2022/09/26

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Distribution map

© D. Underwood

© J.H. Vlok/A.L. Schutte-Vlok

© J.H. Vlok/A.L. Schutte-Vlok

© Outramps

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