Pterostylis ectypha

Pterostylis ectypha (D.L.Jones & C.J.French) D.L.Jones & C.J.French

Pterostylis sp. 'northern thick sepals'; Diplodium ectyphum

Thick-sepaled Snail Orchid, Murdoch Snail Orchid

Pterostylis nana (Snail Orchids)

David Jones & Christopher French in Australian Orchid Review 82(4): 46-48, Fig. 2 (2017) as Diplodium ectyphum

Regans Ford to Israelite Bay, growing in sandy, sandy-clay and lateritic soils in forests and woodlands. The species predominantly occurs in coastal and near coastal areas but also extends in rare populations inland to near Brookton.

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A robust species 80–240 mm high with five to seven leaves forming a ground hugging or ascending basal rosette 25–70 mm across, four to 10 cauline leaves and one (rarely two) translucent, green and white flowers 4–7 mm across.

It is distinguished from the closely related Short Eared Snail Orchid (Pterostylis brevisepala) by its taller stature, larger, more numerous cauline leaves, more numerous rosette leaves and narrower tips to the lateral sepals.

Not Listed