Pterostylis aspera D.L.Jones & M.A.Clem.

Rough shell orchid (en)

Species

Angiosperms > Asparagales > Orchidaceae > Pterostylis

Characteristics

Rosette leaves 3–8, ovate, bluish-green, 6–20 x 4–17mm, margins entire. Flower stem 90–17  tall, scabrous, with 4–6 stem leaves to 30 x 5mm. Flower erect, 22–30 x 10–12mm, green, brownish to red-brown and white, boldly striped. Dorsal sepal sharply pointed. Sinus curved in side view, shallowly notched in front view, scabrous. Free points filiform, 30–3  long, divergent, tips curved forwards. Labellum shallowly curved, hidden in flower or tip just visible above sinus when set, 13–15 x 4mm, brown, constricted and narrowed to apex.
Life form perennial
Growth form herb
Growth support free-standing
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Sexuality hermaphrodite
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Environment

Widespread and common in coastal areas, less common inland, growing in dense heathy forest, woodland and shrubland in freely draining sands and laterite.
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Cultivation

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Distribution

Pterostylis aspera world distribution map, present in Australia

Identifiers

LSID urn:lsid:ipni.org:names:938985-1
WFO ID wfo-0000288428
COL ID 4Q6DY
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Pterostylis aspera Diplodium asperum