|
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 | 2019/11/09 |
Assessor(s) | P.V. Bruyns, L. von Staden & D. Raimondo |
Justification | Euphorbia jansenvillensis is 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, and is therefore listed as Vulnerable under criteria D2. |
Distribution |
Endemism | South African endemic |
Provincial distribution | Eastern Cape |
Range | This species is endemic to South Africa, and is found from Steytlerville to Klipplaat and Jansenville. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | Steytlerville Karoo, Southern Karoo Riviere, Willowmore Gwarrieveld, Sundays Arid Thicket |
Description | It occurs in open karroid shrubland, stony slopes and flats, in loose sandy soils under small shrubs, or wedged among stones. |
Threats |
Euphorbia jansenvillensis is potentially threatened by collecting for the illegal succulent horticulture trade. |
Population |
There is no information available on the population of this species.
|
Population trend | Unknown |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | Euphorbia jansenvillensis Nel | VU D2 | 2017.1 | Euphorbia jansenvillensis Nel | Least Concern | 2014.1 | Euphorbia jansenvillensis Nel | Data Deficient (Taxonomically Problematic) | 2013.1 | Euphorbia tubiglans Marloth ex R.A.Dyer | Least Concern | Raimondo et al. (2009) | Euphorbia jansenvillensis Nel | Data Deficient (Taxonomically Problematic) | Raimondo et al. (2009) | Euphorbia jansenvillensis Nel | Endangered | 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. 2019. Euphorbia jansenvillensis Nel. National Assessment: Red List of South African Plants version . Accessed on 2025/05/09 |