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Scientific Name | Osteospermum pyrifolium Norl. |
Higher Classification | Dicotyledons |
Family | ASTERACEAE |
National Status |
Status and Criteria | Vulnerable D2 |
Assessment Date | 2018/05/28 |
Assessor(s) | N.A. Helme, D.A. Kamundi & D. Raimondo |
Justification | Osteospermum pyrifolium is a Langeberg endemic, with an extent of occurrence (EOO) of 48 km². It is known from fewer than five locations and potentially threatened by agriculture and alien plant invasion. It is therefore listed as Vulnerable under criterion D. |
Distribution |
Endemism | South African endemic |
Provincial distribution | Western Cape |
Range | This species is endemic to South Africa, and is found in the Langeberg Mountains. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | South Langeberg Sandstone Fynbos, Central Coastal Shale Band Vegetation, North Langeberg Sandstone Fynbos |
Description | It occurs on low to medium altitude sandstone slopes. |
Threats |
| Osteospermum pyrifolium occurs on nutrient poor, sandy soils which are not ideally suited to agriculture, however, crop fields do occasionally expand onto lower sandy slopes. Competition from alien invasive plants spreading into the habitat is also a potential threat. |
Population |
There is no information available on the population of this species.
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Population trend | Stable |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | | Osteospermum pyrifolium Norl. | VU D2 | Raimondo et al. (2009) | |
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.
Norlindh, T. 1943. Studies in the Calenduleae. 1: Monograph of the genera Dimorphotheca, Castalis, Osteospermum, Gibbaria and Chrysanthemoides. Gleerup, Lund.
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.
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Citation |
| Helme, N.A., Kamundi, D.A. & Raimondo, D. 2018. Osteospermum pyrifolium Norl. National Assessment: Red List of South African Plants version . Accessed on 2025/05/09 |
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