Pterostylis angusta A.S.George

Narrow shell orchid (en)

Species

Angiosperms > Asparagales > Orchidaceae > Pterostylis

Characteristics

Rosette leaves 4–8, ovate, dark green, 10–25 x 7–12mm, margins entire. Flower stem 80–20  tall, wiry, scabrous, with 3–7 stem leaves to 30 x 5mm. Flower leaning forwards, bulbous at base and narrowed upwards, 12–15 x 7–8mm, green, white and brown. Dorsal sepal sharply pointed. Sinus flat in side view, deeply notched in front view. Free points filiform, 15–1  long, divergent or tips curved forwards. Labellum strongly curved, protruding prominently from sinus when set, 13–15 x 2mm, narrowed in upper half, brown.
Life form perennial
Growth form herb
Growth support free-standing
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Sexuality hermaphrodite
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Environment

Relatively widespread but localised, growing among shrubs in open forest and woodland in freely draining sandy soils; sometimes on margins of granite rocks.
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Hardiness (USDA) 8-11

Usage

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Cultivation

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Distribution

Pterostylis angusta world distribution map, present in Australia

Identifiers

LSID urn:lsid:ipni.org:names:655278-1
WFO ID wfo-0000288424
COL ID 4Q6DS
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Pterostylis angusta Diplodium angustum