Bobbejaankos

Taxonomy
Scientific Name
Euphorbia meloformis Aiton
Higher Classification
Dicotyledons
Family
EUPHORBIACEAE
Synonyms
Euphorbia falsa N.E.Br., Euphorbia infausta N.E.Br. (1915), not of N.E.Br. (1912), Euphorbia meloformis Aiton subsp. meloformis forma falsa (N.E.Br.) Marx, Euphorbia meloformis Aiton subsp. meloformis forma magna R.A.Dyer ex Marx, Euphorbia meloformis Aiton subsp. valida (N.E.Br.) G.D.Rowley, Euphorbia meloformis Aiton var. pomiformis (Thunb.) Marloth, Euphorbia meloformis Aiton var. prolifera Frick, Euphorbia pomiformis Thunb., Euphorbia pyriformis N.E.Br., Euphorbia valida N.E.Br.
Common Names
Bobbejaankos (a), Eselkos (a), Eselpol (a), Pol (a), Skilpadkos (a)
National Status
Status and Criteria
Near Threatened B1b(ii,iii,iv,v)+2b(ii,iii,iv,v)
Assessment Date
2022/05/06
Assessor(s)
D. Raimondo, A.P. Dold, W. Berrington, R.H. Archer, J.E. Victor, L. von Staden & N.N. Mhlongo
Justification
This species has a limited distribution with an extent of occurrence (EOO) of 4696 km² and an area of occupancy of 52 km². It is known from 12 locations and the population is experiencing a continuing decline due to urban expansion, removal of mature individuals from the wild by succulent collectors, and habitat degradation as a result of overgrazing and poor rangeland management. With the population declining but with more than 10 locations extant it almost reaches the threshold for listing as Vulnerable under criterion B and is assessed as Near Threatened.
Distribution
Endemism
South African endemic
Provincial distribution
Eastern Cape
Range
This species is endemic to the Eastern Cape province of South Africa, where it occurs in Waterford, Uitenhage and Port Elizabeth to east of Peddie.
Habitat and Ecology
Major system
Terrestrial
Major habitats
Bhisho Thornveld, Sundays Valley Thicket, Motherwell Karroid Thicket, Grass Ridge Bontveld, Grahamstown Grassland Thicket, Albany Bontveld
Description
Plants are found in between stones and low bushes on gentle gravelly slopes on in flats.
Threats
Subpopulations around Port Elizabeth and Uitenhage have severely declined in the past. Currently, only two small subpopulations remain in an area bordering a large expanding informal settlement, which is also earmarked for industrial development (D. Raimondo, W. Berrington pers. obs.). A third subpopulation (with three stands) was recorded near Grahamstown between 2016 and 2021. This species is highly popular among succulent enthusiasts, and the removal of plants from the wild for succulent collections is contributing to a decline across most of its range. Habitat degradation, resulting from overgrazing and poor veld management, poses a threat to subpopulations in the Peddie area (AP Dold pers. Comm.).
Population

It is common south of its range near Grahamstown but has been greatly reduced between Port Elizabeth and Uitenhage due to new industrial areas and township development (Bruyns, 2022). No population data are available for this species, though it is suspected to be in decline due to urban expansion, habitat degradation, and illegal collection.


Population trend
Decreasing
Assessment History
Taxon assessed
Status and Criteria
Citation/Red List version
Euphorbia meloformis AitonNT B1ab(i,ii,iii,iv,v)2014.1
Euphorbia meloformis Aiton subsp. meloformis NT B1ab(i,ii,iii,iv,v)Raimondo et al. (2009)
Euphorbia meloformis Aiton subsp. valida (N.E.Br.) G.D.RowleyNT B1ab(v)Raimondo et al. (2009)
Euphorbia valida N.E.Br.Vulnerable Hilton-Taylor (1996)
Euphorbia meloformis Aiton subsp. meloformis Vulnerable/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
Raimondo, D., Dold, A.P., Berrington, W., Archer, R.H., Victor, J.E., von Staden, L. & Mhlongo, N.N. 2022. Euphorbia meloformis Aiton. National Assessment: Red List of South African Plants version . Accessed on 2025/05/18

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Distribution map


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