Steirodiscus linearilobus DC.
|Psilothonna schlechteri (Bolus ex Schltr.) E.Phillips, Steirodiscus schlechteri Bolus ex Schltr.|
Status and Criteria
Critically Endangered B1ab(iii,v)+2ab(iii,v); C2a(ii)
|N.A. Helme & L. von Staden|
|One small, remaining subpopulation of about 200 plants, occupying an area of about one hectare is declining due to ongoing habitat loss and degradation.|
|South African endemic|
|Lower Olifants River Valley around Klawer and flats below Koebee Mountains east of Vanrhynsdorp.|
Habitat and Ecology
|Klawer Sandy Shrubland, Vanrhynsdorp Gannabosveld, Knersvlakte Shale Vygieveld, Doringrivier Quartzite Karoo|
|Sandy flats in open shrubland.|
|This species has declined in the past due to habitat loss to agricultural expansion. The only remaining location is threatened by habitat loss to development and overgrazing.|
A very rare and localized species, known historically from five locations, but remaining at only one due to habitat loss to agricultural expansion. The population consists of less than 200 plants within an area of about one hectare (N.A. Helme pers. obs.).
|Helme, N.A. & von Staden, L. 2015. Steirodiscus linearilobus DC. National Assessment: Red List of South African Plants version 2017.1. Accessed on 2019/12/11|