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Scientific Name | Geissorhiza bonaspei Goldblatt |
Higher Classification | Monocotyledons |
Family | IRIDACEAE |
Synonyms | Engysiphon pictus in sense of G.J.Lewis |
National Status |
Status and Criteria | Rare |
Assessment Date | 2021/08/18 |
Assessor(s) | L. von Staden & T. Patel |
Justification | This is a range restricted species with an extent of occurrence (EOO) of 199 km², and an area of occupancy (AOO) of 104 km². It is endemic to the Cape Peninsula. Historically, some subpopulations have been lost to urban expansion on the Cape Flats. Remaining subpopulations are protected within the Table Mountain National Park and are not declining. It is therefore listed globally as Least Concern, and nationally, as Rare. |
Distribution |
Endemism | South African endemic |
Provincial distribution | Western Cape |
Range | This species is endemic to the southern Cape Peninsula in the Western Cape province of South Africa. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | Peninsula Sandstone Fynbos, Cape Flats Sand Fynbos |
Description | It occurs on stony, sandstone soils on slopes and flats from Silvermine Plateau to Cape Point, blooming mainly after fire. |
Threats |
| This species has lost 10% of its habitat (calculated using landcover data in GIS) to urban expansion in the past, but is not currently threatened. |
Population |
The population has declined in the past but is currently stable and is not in danger of extinction.
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Population trend | Stable |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | | Geissorhiza bonaspei Goldblatt | Least Concern | 2012.1 | | Geissorhiza bonaspei Goldblatt | Least Concern | Raimondo et al. (2009) | |
Bibliography |
Goldblatt, P. 1985. Systematics of the southern African genus Geissorhiza (Iridaceae-Ixioideae). Annals of the Missouri Botanical Garden 72(2):277-447.
Goldblatt, P. and Manning, J.C. 2000. Cape Plants: A conspectus of the Cape Flora of South Africa. Strelitzia 9. National Botanical Institute, Cape Town.
Goldblatt, P. and Manning, J.C. 2020. Iridaceae of southern Africa. Strelitzia 42. South African National Biodiversity Institute, Pretoria.
Helme, N.A. and Trinder-Smith, T.H. 2006. The endemic flora of the Cape Peninsula, South Africa. South African Journal of Botany 72(2):205-210.
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 |
| von Staden, L. & Patel, T. 2021. Geissorhiza bonaspei Goldblatt. National Assessment: Red List of South African Plants version . Accessed on 2024/09/08 |
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