Euphorbia jansenvillensis

Taxonomy
Scientific Name
Euphorbia jansenvillensis Nel
Higher Classification
Dicotyledons
Family
EUPHORBIACEAE
Synonyms
Euphorbia tubiglans Marloth ex R.A.Dyer
National Status
Status and Criteria
Vulnerable D2
Assessment Date
2015/11/14
Assessor(s)
P.V. Bruyns, L. von Staden & D. Raimondo
Justification
A rare and poorly known species, currently recorded from three locations, but possibly overlooked as its distribution range is botanically poorly explored, and Euphorbia is in need of taxonomic revision. It is potentially threatened by illegal collection of wild plants for the succulent trade.
Distribution
Endemism
South African endemic
Provincial distribution
Eastern Cape
Range
Steytlerville to Klipplaat and Jansenville.
Habitat and Ecology
Major system
Terrestrial
Major habitats
Sundays Thicket, Groot Thicket
Description
Open karroid shrubland, stony slopes and flats, in loose sandy soils under small shrubs, or wedged among stones.
Threats
Potentially threatened by collecting for the illegal succulent horticulture trade.
Population
Population trend
Unknown
Assessment History
Taxon assessed
Status and Criteria
Citation/Red List version
Euphorbia jansenvillensis NelLeast Concern 2014.1
Euphorbia jansenvillensis NelData Deficient (Taxonomically Problematic) 2013.1
Euphorbia jansenvillensis NelData Deficient (Taxonomically Problematic) Raimondo et al. (2009)
Euphorbia tubiglans Marloth ex R.A.DyerLeast Concern Raimondo et al. (2009)
Euphorbia jansenvillensis NelEndangered Hilton-Taylor (1996)
Bibliography

Bruyns, P.V. 2012. Nomenclature and typification of southern African species of Euphorbia. Bothalia 42(2):217-245.


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.


Citation
Bruyns, P.V., von Staden, L. & Raimondo, D. 2015. Euphorbia jansenvillensis Nel. National Assessment: Red List of South African Plants version 2017.1. Accessed on 2017/05/27

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Distribution map


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