Pterostylis ophioglossa R.Br.

Snake-tongue greenhood (en)

Species

Angiosperms > Asparagales > Orchidaceae > Pterostylis

Characteristics

Rosette leaves 4–6, ovate to oblong, 15–45 x 5–20mm, dull green, margins entire. Flower stem 100–25  tall. Flower semi-nodding, 25–30 x 10–13mm, white, green and brown (sometimes with reddish suffusions). Dorsal sepal longer than petals, apex tapered, 2–  long. Sinus nearly flat in side view, broadly U-shaped in front view. Free points filiform, 22–3  long, erect. Petals shortly pointed. Labellum strongly curved, protruding prominently from sinus when set, 13–16 x 3mm, apex deeply notched, points nearly parallel.
Life form perennial
Growth form herb
Growth support free-standing
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Sexuality hermaphrodite
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Environment

Widespread and common from coast to ranges and tablelands, growing in coastal scrub and littoral rainforest in freely draining sands; further inland on sheltered slopes and moist flats in shrubby forest, open forest and woodland in clay loams and loams. Var.: Plants in mountainous areas of SE Qld have stiffly erect flowers that are mostly green and white. Plants from New Caledonia have strongly crinkled leaf margins.
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Hardiness (USDA) 8-12

Usage

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Cultivation

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Images

Pterostylis ophioglossa unspecified picture

Distribution

Pterostylis ophioglossa world distribution map, present in Australia

Identifiers

LSID urn:lsid:ipni.org:names:655345-1
WFO ID wfo-0000288536
COL ID 4Q6HY
BDTFX ID -
INPN ID 673353
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Pterostylis ophioglossa Taurantha ophioglossa Diplodium ophioglossum