Taxonomy
Scientific Name
Ornithogalum petraeum Fourc.
Higher Classification
Monocotyledons
Family
HYACINTHACEAE
National Status
Status and Criteria
Rare
Assessment Date
2012/02/16
Assessor(s)
L. von Staden
Justification
A rare, but also probably overlooked, habitat specialist. It is currently known from only two sites but is unlikely to be threatened.
Distribution
Endemism
South African endemic
Provincial distribution
Eastern Cape, Western Cape
Range
Eastern end of Groot Swartberg Mountains and Suuranysberg near Kareedouw.
Habitat and Ecology
Major system
Terrestrial
Major habitats
Kouga Sandstone Fynbos, South Swartberg Sandstone Fynbos
Description
Rock ledges on south-facing slopes.
Threats
Near Kareedouw south-facing mountain slopes are partially affected by alien invasive plants, but it is unlikely to impact on this species' specialized micro-habitat.
Population
Population trend
Stable
Notes
Overlooked by Leighton (1945) and treated as a synonym of the widespread and variable Ornithogalum juncifolium by Obermeyer (1978), but reinstated in a 1996 revision (Müller-Doblies and Müller-Doblies 1996) and upheld in the most recent classification of the genus (Manning et al. 2009).
Assessment History
Taxon assessed
Status and Criteria
Citation/Red List version
Ornithogalum petraeum Fourc.Rare 2012.1
Bibliography

Fourcade, H.G. 1934. Contributions to the flora of the Knysna and neighbouring divisions. Transactions of the Royal Society of South Africa 21:75-102.


Leighton, F.M. 1945. A revision of the South African species of Ornithogalum L. Part III. Journal of South African Botany 11:135-185.


Manning, J.C., Forest, F., Devey, D.S., Fay, M.F. and Goldblatt, P. 2009. A molecular phylogeny and revised classification of Ornithogaloideae (Hyacinthaceae) based on an analysis of four plastid DNA regions. Taxon 58(1):77-107.


Müller-Doblies, U. and Müller-Doblies, D. 1996. Revisionula incompleta Ornithogalorum Austro-Africanorum (Hyacinthaceae). Feddes Repertorium 107(5-6):361-548.


Obermeyer, A.A. 1978. Ornithogalum: a revision of the southern African species. Bothalia 12(3):323-376.


Citation
von Staden, L. 2012. Ornithogalum petraeum Fourc. National Assessment: Red List of South African Plants version 2020.1. Accessed on 2022/05/20

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Distribution map


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