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Short-sepalled spider orchid

Caladenia brevisura

Short-sepalled spider orchid
Photo: Geoff Derrin, CC BY-SA 4.0

Caladenia brevisura is a small, terrestrial tuberous orchid from south-west Western Australia, with a single hairy leaf and one greenish, red-marked flower in late winter to spring. It is a wild native rather than a commonly grown garden plant, so the key to success is leaving it in its natural habitat.

Family
Orchidaceae (Orchid family)
Grows as
Orchid
Light
Full sun, Part shade
Water
Naturally receives winter rain and dries out in summer while dormant; water only sparingly if grown in a pot.
Soil
Shallow, sandy or gravelly soil over granite, as in its native habitat.
Temperature
Mild Mediterranean-type climate; tolerates cool winters and hot dry summers, frost protection advised below about -2 °C.
How easy
Hard
Native range
SW. Australia
Climate
subtropical

About

Caladenia brevisura, commonly known as the short-sepalled spider orchid, is a plant in the orchid family Orchidaceae and is endemic to the south-west of Western Australia. It is a common, small-flowered orchid with an erect, hairy leaf and a single greenish flower with red markings, on a flowering stem up to 25 cm (10 in) high. It is found between Ravensthorpe and Israelite Bay.

Where it grows

Short-sepalled spider orchid occurs between Ravensthorpe and Israelite Bay in the Coolgardie, Esperance Plains and Mallee biogeographic regions where it grows in shallow soil on granite and on the edges of salt lakes.

Other Caladenia plants

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 brevisura 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.

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