Taxonomy
Scientific Name
Geissorhiza callista Goldblatt
Higher Classification
Monocotyledons
Family
IRIDACEAE
National Status
Status and Criteria
Rare
Assessment Date
2021/08/19
Assessor(s)
P. Goldblatt, R.C. Turner & T. Patel
Justification
This restricted range species has an extent of occurrence (EOO) of 387 km², and an area of occupancy (AOO) of 28 km². It is known from four subpopulations and is not declining. It is therefore listed globally as Least Concern, and nationally, as Rare.
Distribution
Endemism
South African endemic
Provincial distribution
Western Cape
Range
An endemic species restricted to the Riviersonderend Mountains and Langeberg in the Western Cape province of South Africa.
Habitat and Ecology
Major system
Terrestrial
Major habitats
South Langeberg Sandstone Fynbos, South Sonderend Sandstone Fynbos
Description
It occurs on rocky sandstone slopes and cliffs often in wet mossy places, flowering well only after fire and it is evidently rare.
Threats
This species has no known threats.
Population

It is known from four subpopulations and the population has a stable trend.


Population trend
Stable
Conservation
It is conserved in Greyton Nature Reserve.
Assessment History
Taxon assessed
Status and Criteria
Citation/Red List version
Geissorhiza callista GoldblattRare Raimondo et al. (2009)
Geissorhiza callista GoldblattRare Hilton-Taylor (1996)
Bibliography

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.


Hilton-Taylor, C. 1996. Red data list of southern African plants. Strelitzia 4. South African National Botanical Institute, Pretoria.


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.


Citation
Goldblatt, P., Turner, R.C. & Patel, T. 2021. Geissorhiza callista Goldblatt. National Assessment: Red List of South African Plants version . Accessed on 2024/09/08

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Distribution map

© J.C. Manning

© J.C. Manning

© J.C. Manning

© I. Ebrahim


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