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Pterostylis dilatata
Pterostylis dilatata, the robust snail orchid, is a small terrestrial orchid from south-west Western Australia that grows from an underground tuber and flowers in winter. It is a wild native rather than a common garden plant, and the key to growing it is to leave its tuber undisturbed in native soil.
Pterostylis dilatata, commonly known as the robust snail orchid, is a species of orchid which is endemic to the south-west of Western Australia. Non-flowering plants have a rosette of leaves but flowering plants lack a rosette and have a single green and white flower on a flowering stem with stem leaves. The flowers appear in winter and have lateral sepals which almost close off the front of the flower.
The robust snail orchid grows in shrubland, woodland and in soil pockets on granite outcrops between Geraldton and Israelite Bay in the Avon Wheatbelt, Esperance Plains, Geraldton Sandplains, Jarrah Forest, Swan Coastal Plain biogeographic regions of Western Australia.
Tablelands greenhood · Needle-point rustyhood · Pterostylis actites · Sharp greenhood · Long-tongued summer greenhood · Kauri Greenhood · Sutton Grange Greenhood · Striped greenhood · Shy greenhood · Winter Greenhood · Alpine greenhood · Coastal greenhood
Text excerpted from the Wikipedia article Pterostylis dilatata 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.
