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Scientific Name | Platycoryne mediocris Summerh. |
Higher Classification | Monocotyledons |
Family | ORCHIDACEAE |
National Status |
Status and Criteria | Endangered* B2ab(iii); C2a(i,ii); D |
Assessment Date | 2016/10/07 |
Assessor(s) | M. Lötter, J.E. Burrows & J.E. Victor |
Justification | Known from one location in South Africa where there are ± 20 mature individuals. Urban expansion has disrupted the drainage of its seasonally moist habitat causing continuing decline. This species is downgraded from CR to EN as per the regional guidelines, because orchids have tiny seeds that are able to disperse long distances. |
Distribution |
Endemism | Not endemic to South Africa |
Provincial distribution | Mpumalanga |
Range | Nelspruit and widespread in tropical Africa. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | Legogote Sour Bushveld, Crocodile Gorge Mountain Bushveld |
Description | Mixed deciduous woodland, in shallow peaty soils over granite sheet rock, growing in a seasonally wet drainage line. Elsewhere it occurs in poorly drained grassland, 700-1750 m. |
Threats |
Habitat loss |
Population |
Population trend | Decreasing |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | Platycoryne mediocris Summerh. | EN B2ab(iii); C2a(i,ii); D | Raimondo et al. (2009) | |
Bibliography |
Kurzweil, H. and Burrows, S. 2005. Platycoryne mediocris. Flowering Plants of Africa 59:60-66.
La Croix, I. and Cribb, P.J. 1995. Orchidaceae. In: G.V. Pope (ed). Flora Zambesiaca 11 (Part 1):1-320. Flora Zambesiaca Managing Committee, London.
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.
Summerhayes, V.S. 1958. African Orchids: XXV. Kew Bulletin 13:57, 72-75.
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Citation |
Lötter, M., Burrows, J.E. & Victor, J.E. 2016. Platycoryne mediocris Summerh. National Assessment: Red List of South African Plants version . Accessed on 2025/06/02 |