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Scientific Name | Bobartia longicyma J.B.Gillett subsp. longicyma |
Higher Classification | Monocotyledons |
Family | IRIDACEAE |
National Status |
Status and Criteria | Near Threatened B1ab(i,iii,iv,v) |
Assessment Date | 2021/08/12 |
Assessor(s) | D. Raimondo & T. Patel |
Justification | This taxon has an extent of occurrence (EOO) of 10 775 km², and an area of occupancy (AOO) of 248 km². It is known from between 16 and 20 locations. It has lost 64% of its habitat due to agriculture and alien plant invasion, and loss is ongoing. It is therefore listed as Near Threatened, almost meeting Criterion B to be listed as Vulnerable. |
Distribution |
Endemism | South African endemic |
Provincial distribution | Western Cape |
Range | This taxon is endemic to South Africa, and is found from Caledon and Riviersonderend eastward to Potberg and the Breede River mouth in the Western Cape province. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | Fynbos |
Description | It occurs mainly on sandy flats at lower mountain slopes, flowering best after fire. |
Threats |
| This taxon has lost 64% of its habitat (calculated using landcover data in GIS) to agriculture in the past. Much of the past range has been transformed to wheat plantations. There is also an ongoing threat from alien plants especially on the Caledon Swartberg. |
Population |
It has a decreasing population trend, and is in danger of extinction. It has a population size of at least 10 000 individuals, and is known from 15 subpopulations.
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Population trend | Decreasing |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | | Bobartia longicyma J.B.Gillett subsp. longicyma | NT B1ab(i,iii,iv,v) | Raimondo et al. (2009) | | Bobartia longicyma J.B.Gillett subsp. longicyma | Insufficiently Known | Hilton-Taylor (1996) | | Bobartia longicyma J.B.Gillett subsp. longicyma | Uncertain | Hall et al. (1980) | |
Bibliography |
Goldblatt, P. and Manning, J.C. 2020. Iridaceae of southern Africa. Strelitzia 42. South African National Biodiversity Institute, Pretoria.
Hall, A.V., De Winter, M., De Winter, B. and Van Oosterhout, S.A.M. 1980. Threatened plants of southern Africa. South African National Scienctific Programmes Report 45. CSIR, 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.
Strid, A. 1974. A taxonomic revision of Bobartia L. (Iridaceae). Opera Botanica 37:1-45.
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Citation |
| Raimondo, D. & Patel, T. 2021. Bobartia longicyma J.B.Gillett subsp. longicyma. National Assessment: Red List of South African Plants version . Accessed on 2025/04/14 |
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