Pterostylis revoluta R.Br.

Autumn greenhood (en)

Species

Angiosperms > Asparagales > Orchidaceae > Pterostylis

Characteristics

Rosette leaves 3–9, ovate, 6–25 x 4–16mm, grey green to bluish, margins entire. Flower stem 100–15  tall, with 3–5 stem leaves to 30 x 5mm. Flower leaning forwards, sickle-shaped, 20–25 x 9–12mm, translucent white and pale green, apex light brown. Dorsal sepal tip finely tapered, 4–  long. Sinus shallowly curved in side view, narrowly V-shaped in front view. Free points 25–3  long, curved forwards. Petals shortly pointed. Labellum curved, protruding prominently from sinus when set, 15–17 x 3mm, drawn out into long pointed apex.
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An orchid. It has a ring of leaves. These die before flowering. The flower stem is 20 cm tall. It has one flower. The petals are green with red veins. It has a curved hood with a long tip.
Life form perennial
Growth form herb
Growth support free-standing
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Sexuality hermaphrodite
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Environment

Localised, growing in coastal scrub and heathy forest on stabilised dunes and sandy flats in freely draining sand and sandy loam.
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It is a subtropical plant.
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Usage

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Edible roots tubers
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Cultivation

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Images

Pterostylis revoluta unspecified picture

Distribution

Pterostylis revoluta world distribution map, present in Australia

Identifiers

LSID urn:lsid:ipni.org:names:655364-1
WFO ID wfo-0000288573
COL ID 4Q6JX
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Pterostylis revoluta Diplodium revolutum Arethusa tetrapetala Pterostylis speciosa