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Scientific Name | Tritonia cedarmontana Goldblatt & J.C.Manning |
Higher Classification | Monocotyledons |
Family | IRIDACEAE |
National Status |
Status and Criteria | Critically Rare |
Assessment Date | 2021/07/02 |
Assessor(s) | L. von Staden & T. Patel |
Justification | This species is a localized habitat specialist, with an extent of occurrence (EOO) and area of occupancy (AOO) of 8 km². It is known from a single kloof, protected within the Cederberg Wilderness Area. It is not threatened, and it is therefore listed under the IUCN 3.1. criteria as Least Concerned but is nationally recognised as Critically Rare. |
Distribution |
Endemism | South African endemic |
Provincial distribution | Western Cape |
Range | It is endemic to South Africa, and is known only from the type collection from Krom River Kloof in the southern Cederberg in Western Cape. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | Cederberg Sandstone Fynbos |
Description | Plants grow on ledges on steep sandstone slopes along streams. |
Threats |
This species' habitat is well-protected and it is not threatened. |
Population |
It is known from one subpopulation from a single kloof in the southern Cederberg, where it was discovered in 1950. No other collections of this species is known. This species was observed in the Cederberg region in 2013, but could not be re-located in November 2021 (Helme, 2021; pers. obs.). The population is inferred to be stable as there are no known threats and the habitat is well protected.
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Population trend | Stable |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | Tritonia cedarmontana Goldblatt & J.C.Manning | Rare | 2014.1 | |
Bibliography |
Goldblatt, P. and Manning, J.C. 2020. Iridaceae of southern Africa. Strelitzia 42. South African National Biodiversity Institute, Pretoria.
Manning, J.C. and Goldblatt, P. 2011. IRIDACEAE: Tritonia cedarmontana and T. linearifolia (Crocoideae), two new species from the Cape Floristic Region; T. lineata var. parvifolia included in T. gladiolaris; and the correct author citation for T. strictiflora. Bothalia 41(1):171-175.
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Citation |
von Staden, L. & Patel, T. 2021. Tritonia cedarmontana Goldblatt & J.C.Manning. National Assessment: Red List of South African Plants version . Accessed on 2025/04/13 |