Pterostylis rubenachii D.L.Jones

Arthur river greenhood (en)

Species

Angiosperms > Asparagales > Orchidaceae > Pterostylis

Characteristics

Rosette leaves 4–6, 15–20 x 6–10mm, dark green, tapered to each end, margins entire. Flower stem 30–8  tall, 2–  across, 2–7-flowered. Sterile bracts 2 or 3. Flowers densely crowded, transparent green with darker green lines, 8–9.5 x 4.5–5mm. Lateral sepals deeply pouched, 5.5–6 x 5–5.  when flattened. Petals 6–7 x 4mm, light green with darker veins, margins irregularly toothed. Labellum ovate-oblong, 2.5–2.8 x 2.2mm, whitish-green with dark green shallowly recurved appendage c.1.1 x 1mm, with thickened appendage and short blunt central ridge.
Life form perennial
Growth form herb
Growth support free-standing
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Sexuality hermaphrodite
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Environment

Highly localised and known from few coastal localities, growing mainly on dry grassy slopes of stabilised sand dunes, less commonly in moist to wet heathy sites or among sedges.
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Usage

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Cultivation

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Distribution

Pterostylis rubenachii world distribution map, present in Australia

Identifiers

LSID urn:lsid:ipni.org:names:1006474-1
WFO ID wfo-0000288579
COL ID 4Q6K4
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Oligochaetochilus rubenachii Pterostylis rubenachii Hymenochilus rubenachii