Bruinaalwyn

Taxonomy
Scientific Name
Aloe vryheidensis Groenew.
Higher Classification
Monocotyledons
Family
ASPHODELACEAE
Synonyms
Aloe dolomitica Groenew.
Common Names
Bruinaalwyn (a), Sekgopha (ns)
National Status
Status and Criteria
Data Deficient - Taxonomically Problematic
Assessment Date
2006/12/13
Assessor(s)
J.E. Victor
Justification
This species is widely considered to have taxonomic problems. Aloe dolomitica has been included as a synonym in A. vryheidensis, but is considered by many experts to be different - A. vryheidensis sensu stricto is a rare and threatened species and should be listed as vulnerable or near threatened.
Distribution
Endemism
South African endemic
Provincial distribution
KwaZulu-Natal, Limpopo, Mpumalanga
Range
A. vryheidensis sensu Groenewald (1936) is restricted to Vryheid district, northern KwaZulu-Natal, where it is threatened. The current species concept which includes A. dolomiticola is widespread in Mpumalanga and Limpopo.
Habitat and Ecology
Major system
Terrestrial
Major habitats
Grassland
Description
Steep rocky slopes in high rainfall montane grassland.
Threats
Expanding afforestation has transformed much of the suitable habitat, but not in Limpopo. Also this applies to dolomitica not vryheidensis.
Population
Population trend
Decreasing
Notes
According to M. Lötter and J. Burrows this species is widely considered to have taxonomic problems, Aloe dolomitica has been included in A. vryheidensis but they are different - A. vryheidensis sensu. stricto is a rare species, that should be listed as Near Threatened or Vulnerable (C.R. Scott-Shaw pers. comm.).
Assessment History
Taxon assessed
Status and Criteria
Citation/Red List version
Aloe vryheidensis Groenew.Data Deficient (Taxonomically Problematic) Raimondo et al. (2009)
Aloe vryheidensis Groenew.Lower Risk - Least Concern Victor (2002)
Aloe vryheidensis Groenew.Lower Risk - Near Threatened Scott-Shaw (1999)
Aloe vryheidensis Groenew.Rare Hilton-Taylor (1996)
Bibliography

Glen, H.F. and Hardy, D.S. 2000. Aloaceae (First part): Aloe. In: G. Germishuizen (ed). Flora of Southern Africa 5 Part 1, Fascicle 1:1-159. National Botanical Institute, Pretoria.


Groenewald, B.H. 1936. Nuwe aalwyn van Piet Retief. Tydskrif vir Wetenskap en Kuns 14:60-63.


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.


Reynolds, G.W. 1969. The Aloes of South Africa. A.A. Balkema, Cape Town.


Scott-Shaw, C.R. 1999. Rare and threatened plants of KwaZulu-Natal and neighbouring regions. KwaZulu-Natal Nature Conservation Service, Pietermaritzburg.


Van Wyk, B.-E. and Smith, G. 1996. Guide to the aloes of South Africa. Briza Publications, 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
Victor, J.E. 2006. Aloe vryheidensis Groenew. National Assessment: Red List of South African Plants version 2017.1. Accessed on 2018/12/19

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Distribution map

© D.R. McKenzie


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