Pterostylis aphylla Lindl.

Leafless greenhood (en)

Species

Angiosperms > Asparagales > Orchidaceae > Pterostylis

Characteristics

Rosette leaves 3–6, ovate, 4–10 × 3–8 mm, dark green, margins entire. Flower stem 70–150 mm tall, thick, fleshy, 1–5-flowered. Flowers crowded, 1–3 open at once, externally scabrous, 8–11 × 3–3.5 mm, green and white, apex brown. Dorsal sepal shorter than petals, both scabrous. Synsepalum curved to bulging in side view; frontal opening with shallow notch. Free points narrowly tapered, scabrous, c. 3–3.5 mm long, often curved forwards and not extending above hood. Labellum not visible in any position, elliptical, c. 3 × 1 mm, dark brown, blunt.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.07 - 0.15
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Nitrogen fixer -
Photosynthetic pathway -

Environment

Widely distributed, but disjunct and rarely common; found growing in heathland, sedgeland, buttongrass plains and open forest in poorly drained, peaty soil and moisture-retentive sand.
Light -
Soil humidity -
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Hardiness (USDA) -

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
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Distribution

Pterostylis aphylla world distribution map, present in Australia

Identifiers

LSID urn:lsid:ipni.org:names:655279-1
WFO ID wfo-0000288425
COL ID 4Q6DT
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Pterostylis aphylla Speculantha aphylla Pterostylis parviflora var. aphylla