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Scientific Name | Vexatorella obtusata (Thunb.) Rourke subsp. obtusata |
Higher Classification | Dicotyledons |
Family | PROTEACEAE |
Synonyms | Leucospermum obtusatum (Thunb.) E.Phillips (in part), Leucospermum obtusatum (Thunb.) E.Phillips subsp. obtusatum |
Common Names | Montagu Vexator (e) |
National Status |
Status and Criteria | Least Concern |
Assessment Date | 2019/07/01 |
Assessor(s) | A.G. Rebelo, H. Mtshali & L. von Staden |
Justification | This taxon has a limited distribution range, with an extent of occurrence (EOO) of 2375 km². It is however locally common within its range, and has no severe threats, and therefore not in danger of extinction. |
Distribution |
Endemism | South African endemic |
Provincial distribution | Western Cape |
Range | It is endemic to the mountains of the Western Cape, where it occurs in the Hex River and Bokkerivier mountains, Keeromsberg and Kwadousberg, extending along the Langeberg to the Koo Valley and the Waboomsberg. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | South Langeberg Sandstone Fynbos, North Langeberg Sandstone Fynbos, Matjiesfontein Quartzite Fynbos, Montagu Shale Fynbos |
Description | It occurs in arid fynbos on sandstone soils, 300-1800 m. Mature individuals are killed by fires, and only seeds survive. Seeds are released after ripening, and dispersed by ants to their underground nests, where they are protected from predation and fire. It is pollinated by insects. |
Threats |
| There are not severe threats to this taxon. |
Population |
It is locally common in stands of scattered plants (Rebelo 2001).
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Population trend | Stable |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | | Vexatorella obtusata (Thunb.) Rourke subsp. obtusata | Least Concern | Raimondo et al. (2009) | |
Bibliography |
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.
Rebelo, T. 2001. Sasol Proteas: A field guide to the proteas of southern Africa. (2nd ed.). Fernwood Press, Vlaeberg, Cape Town.
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Citation |
| Rebelo, A.G., Mtshali, H. & von Staden, L. 2019. Vexatorella obtusata (Thunb.) Rourke subsp. obtusata. National Assessment: Red List of South African Plants version 2020.1. Accessed on 2022/05/19 |
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