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Scientific Name | Geissorhiza monticola Goldblatt & J.C.Manning |
Higher Classification | Monocotyledons |
Family | IRIDACEAE |
National Status |
Status and Criteria | Critically Rare |
Assessment Date | 2023/06/07 |
Assessor(s) | L. von Staden & T. Patel |
Justification | A rare, localized habitat specialist currently known from a single site. It has an extent of occurrence (EOO) and area of occupancy (AOO) of 4 km² and is not threatened. It is therefore listed under the IUCN 3.1 criteria, globally, as Least Concern but is nationally categorised as Critically Rare. |
Distribution |
Endemism | South African endemic |
Provincial distribution | Western Cape |
Range | It is endemic to the Western Cape province of South Africa, and is found on the Groot Swartberg, Gamkaskloof. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | Swartberg Altimontane Sandstone Fynbos, South Swartberg Sandstone Fynbos |
Description | It occurs in pockets of peaty sand on steep, south-facing sandstone slopes. |
Threats |
| This species has no threats. |
Population |
It is localized and is known from one location. The population has a decreasing trend.
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Population trend | Stable |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | | Geissorhiza monticola Goldblatt & J.C.Manning | Critically Rare | 2011.1 | |
Bibliography |
Goldblatt, P. and Manning, J.C. 2020. Iridaceae of southern Africa. Strelitzia 42. South African National Biodiversity Institute, Pretoria.
Goldblatt, P., Manning, J.C. and Nänni, I. 2009. New species of Geissorhiza (Iridaceae:Crocoideae) from the southern African winter rainfall zone, range extensions, taxonomic changes, and notes on pollen morphology. Bothalia 39(2):123-152.
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Citation |
| von Staden, L. & Patel, T. 2023. Geissorhiza monticola Goldblatt & J.C.Manning. National Assessment: Red List of South African Plants version . Accessed on 2024/09/14 |
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