Taxonomy
Scientific Name
Acmadenia nivea I.Williams
Higher Classification
Dicotyledons
Family
RUTACEAE
National Status
Status and Criteria
Vulnerable D2
Assessment Date
2012/08/03
Assessor(s)
J.E. Victor & S.L. Hutchinson
Justification
EOO and AOO <77 km², only three known locations are potentially threatened by too frequent fire and invasive alien plants.
Distribution
Endemism
South African endemic
Provincial distribution
Western Cape
Range
Hottentots Holland and Kogelberg mountains.
Habitat and Ecology
Major system
Terrestrial
Major habitats
Kogelberg Sandstone Fynbos
Description
Marshy ground in peaty soil, among restios.
Threats
Too frequent fires and alien invasive plants are severe potential threats for this species which regenerates only from seed. The Kogelberg area has had at least three fires in the past 15 years.
Population

Subpopulation sizes are unknown but numbers are probably low as records indicate it as being occasional and rare.


Population trend
Stable
Assessment History
Taxon assessed
Status and Criteria
Citation/Red List version
Acmadenia nivea I.WilliamsVU D2Raimondo et al. (2009)
Acmadenia nivea I.WilliamsVU D2Victor (2002)
Acmadenia nivea I.WilliamsVulnerable Hilton-Taylor (1996)
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.


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.


Williams, I. 1978. Studies in the genera of the Diosmeae (Rutaceae): 7. Journal of South African Botany 44(4):329 - 362.


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.


Citation
Victor, J.E. & Hutchinson, S.L. 2012. Acmadenia nivea I.Williams. National Assessment: Red List of South African Plants version 2020.1. Accessed on 2021/09/19

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