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Walpole spider orchid

Caladenia interjacens

Walpole spider orchid
Photo: Jeremy Jones, CC BY 4.0

Walpole spider orchid is a small, deciduous terrestrial orchid from southwest Western Australia, growing from an underground tuber with a single hairy leaf and one or two pale pink and white flowers in spring. It is a wild species, rarely grown in gardens, and is best kept in its native habitat conditions of woodland and coastal heath.

Family
Orchidaceae (Orchid family)
Grows as
Orchid
Light
Part shade
Water
Water moderately during its growing season in cooler months, then keep dry while it is dormant in summer.
Soil
Sandy, well-drained soil that is acidic, like its native heath and woodland soils.
Temperature
Cool to mild temperatures suit it; it is adapted to a Mediterranean-type climate with cool, wet winters and dry summers.
How easy
Hard
Native range
SW. Australia
Climate
subtropical

About

Caladenia interjacens, commonly known as the Walpole spider orchid, is a species of orchid endemic to the south-west of Western Australia. It has a single, hairy leaf and one or two pale pink and white flowers which lack the red tip on the labellum common to many other similar caladenias.

Where it grows

The Walpole spider orchid occurs between Walpole and West Cliff Point in the Jarrah Forest and Warren biogeographic regions where it grows in woodland and in low coastal heath.

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 interjacens 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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