Common name: Tall Greenhood
Pterostylis longifolia R.Br. APNI*
Synonyms: Bunochilus longifolius (R.Br.) D.L.Jones & M.A.Clem. APNI*
Description: Terrestrial herb.
Rosette leaves 3–6, linear to ± lanceolate, 2–4 cm long, 3–4 mm wide.
Scape 15–40 cm high, with 5–8 linear to lanceolate spreading stem leaves 3–9 cm long, 3–5 mm wide. Flowers 1–7, c. 1.5 cm long, green and white, shiny. Galea decurved in the distal third. Dorsal sepal with an acuminate apex. Lateral sepals deflexed, narrow-elliptic, 10–14 mm long, brown-tipped, tips blunt, parallel or slightly divergent. Petals slightly falcate, apex obtuse. Labellum ovate-oblong, 4.5–5.5 mm long, 2.5–3 mm wide, pale green with a blackish central stripe, covered with numerous, short, transparent trichomes, apex attenuate, notched.
Distribution and occurrence: Common in moist areas of sclerophyll forest and coastal scrubs.
NSW subdivisions: NC, CC, SC, NT, CT, ST, CWS
Other Australian states: Qld Vic. Tas. S.A.
Taxa with large, emerald green labella and basal petaline flanges are currently under investigation.
Text by D. L. Jones
Taxon concept: Flora of NSW 4 (1993)
APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
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