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Caladenia dorrienii
Cossack spider orchid is a rare, deciduous, tuberous terrestrial orchid from south-west Western Australia, grown mainly by specialist orchid enthusiasts. It needs a cool, dormant summer period and moist, open conditions in winter and spring.
Caladenia dorrienii, commonly known as the Cossack spider orchid, is a species of orchid endemic to the south-west of Western Australia. It has a single hairy leaf and one, two or sometimes three small creamy-white flowers, usually with the lateral sepals and petals curving around the ovary and crossing each other. It is a rare orchid, only found in the extreme south-east of the state.
The Cossack spider orchid is only found in scattered communities between Kojonup and Boyup Brook and near West Dale in the Avon Wheatbelt and Jarrah Forest biogeographic regions where it grows in moist clay soils amongst dense small plants in wandoo woodland.
Coastal spider orchid · Canberra spider orchid · Caladenia ×aestantha · Summer spider orchid · Fairy orchid · Stegostyla Alpina · Boranup spider orchid · Bundarra spider orchid · Charming spider orchid · Dainty spider orchid · Dainty blue china orchid · Genoa spider orchid
Text excerpted from the Wikipedia article Caladenia dorrienii by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.
The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
