Pterostylis obtusa R.Br.

Blunt-tongue greenhood (en)

Species

Angiosperms > Asparagales > Orchidaceae > Pterostylis

Characteristics

Rosette leaves 3–6, ovate, 12–25 x 10–15mm, dark green, margins tightly crinkled. Flower stem 150–25  tall, with 3–5 stem leaves to 40 x 5mm. Flower erect, 20–28 x 10–12mm, bright green and white, shiny, top of hood nearly flat. Dorsal sepal with short tapered point. Sinus platform-like in side view with thick inrolled margin, flat in front view. Free points filiform, 20–2  long, divergent. Labellum nearly straight, tip just protruding above sinus when set, 9–11 x 3mm, green or brown, blunt.
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An orchid.
Life form perennial
Growth form herb
Growth support free-standing
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Sexuality hermaphrodite
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Environment

Locally common, growing in coastal scrub and littoral forest in freely draining sand and sandy loam; also among grass and bracken on ridges, sheltered slopes and stream banks in moist forest on hinterland ranges and tablelands in loamy soils.
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It is a tropical plant.
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Hardiness (USDA) 8-11

Usage

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Edible roots tubers
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Cultivation

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Images

Pterostylis obtusa unspecified picture

Distribution

Pterostylis obtusa world distribution map, present in Australia and Norfolk Island

Identifiers

LSID urn:lsid:ipni.org:names:655343-1
WFO ID wfo-0000288534
COL ID 4Q6HW
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Pterostylis obtusa Diplodium obtusum