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Scientific Name | Mesembryanthemum tenuiflorum Jacq. |
Higher Classification | Dicotyledons |
Family | AIZOACEAE |
Synonyms | Aridaria longituba L.Bolus, Aridaria macrosiphon L.Bolus, Aridaria peersii L.Bolus, Mesembryanthemum olivaceum Schltr., Nycteranthus longitubus (L.Bolus) Schwantes, Nycteranthus macrosiphon (L.Bolus) Schwantes, Nycteranthus peersii (L.Bolus) Schwantes, Nycteranthus tenuiflorus (Jacq.) Schwantes, Phyllobolus tenuiflorus (Jacq.) Gerbaulet, Prenia olivacea (Schltr.) H.Jacobsen, Sphalmanthus longitubus (L.Bolus) L.Bolus, Sphalmanthus macrosiphon (L.Bolus) L.Bolus, Sphalmanthus nanus L.Bolus, Sphalmanthus olivaceus (Schltr. & A.Berger) L.Bolus, Sphalmanthus tenuiflorus (Jacq.) N.E.Br. |
National Status |
Status and Criteria | Vulnerable B1ab(ii,iii,iv,v)+2ab(ii,iii,iv,v) |
Assessment Date | 2008/04/01 |
Assessor(s) | D. Raimondo |
Justification | This species has an extent of occurrence (EOO) of 1100 km² and an area of occupancy (AOO) of less than 1100 km. Suitable habitat at five to 10 locations is declining due to mining. It therefore qualifies as Vulnerable under criterion B. |
Distribution |
Endemism | South African endemic |
Provincial distribution | Northern Cape, Western Cape |
Range | This species occurs in the Knersvlakte. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | Knersvlakte Quartz Vygieveld, Southern Namaqualand Quartzite Klipkoppe Shrubland, Namaqualand Sand Fynbos |
Description | Plants grow on quartzite outcrops. |
Threats |
| It is threatened by ongoing habitat loss to gypsum mining. |
Population |
Population trend | Decreasing |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | | Phyllobolus tenuiflorus (Jacq.) Gerbaulet | VU B1ab(ii,iii,iv,v)+2ab(ii,iii,iv,v) | Raimondo et al. (2009) | |
Bibliography |
Gerbaulet, M. 1997. Revision of the genus Phyllobolus N.E. Br. (Aizoaceae). Botanische Jahrbücher für Systematik 119(2):145-211.
Klak, C., Bruyns, P.V. and Hedderson, T.A.J. 2007. A phylogeny and new classification for Mesembryanthemoideae (Aizoaceae). Taxon 56(3):737-756.
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.
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Citation |
| Raimondo, D. 2008. Mesembryanthemum tenuiflorum Jacq. National Assessment: Red List of South African Plants version . Accessed on 2025/04/13 |
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