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Scientific Name | Geissorhiza namaquamontana Goldblatt & J.C.Manning |
Higher Classification | Monocotyledons |
Family | IRIDACEAE |
National Status |
Status and Criteria | Rare |
Assessment Date | 2021/10/20 |
Assessor(s) | T. Patel & N.A. Helme |
Justification | This is a newly described species (2017). It is a restricted-range habitat specialist that has an extent of occurrence (EOO) of 236 km² and area of occupancy (AOO) of 12 km². It is known from three subpopulations and is not threatened. It is therefore listed under the IUCN 3.1 Criteria, globally, as Least Concern but is nationally categorised as Rare. |
Distribution |
Endemism | South African endemic |
Provincial distribution | Northern Cape |
Range | It is endemic to the Namaqualand region of the Northern Cape province, South Africa, where it is restricted to upper elevations above 700 m in the Kamiesberg near Leliefontein, growing on the Rooiberg and on the Grootberg. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | Succulent Karoo |
Description | It occurs in renosterveld vegetation on granite outcrops and granitic sands, sometimes in seeps on moss pads. |
Threats |
| This species has no known threats. |
Population |
It is known from three subpopulations and is not thought to be in danger of extinction. The population trend is suspected to be stable. One of the subpopulations on the Grootberg was recorded to be fairly common, with 250 individuals noted from a 5-ha area in the year 2016.
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Population trend | Unknown |
Bibliography |
Goldblatt, P. and Manning, J.C. 2020. Iridaceae of southern Africa. Strelitzia 42. South African National Biodiversity Institute, Pretoria.
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Citation |
| Patel, T. & Helme, N.A. 2021. Geissorhiza namaquamontana Goldblatt & J.C.Manning. National Assessment: Red List of South African Plants version . Accessed on 2024/09/14 |
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