Common name: Rusty Hood
Pterostylis rufa R.Br. APNI*
Synonyms: Pterostylis pusilla var. prominens Rupp APNI*
Oligochaetochilus rufus (R.Br.) Szlach. APNI*
Pterostylis rufa subsp. rufa R.Br. APNI*
Pterostylis rufa R.Br. var. rufa APNI*
Description: Terrestrial herb.
Rosette leaves 5–12, oblong, elliptic or obovate, 1–3 cm long, 7–12 mm wide, margins entire.
Scape to 30 cm high, with 2–4 closely sheathing stem leaves. Flowers 2–15, c. 1.5 cm long, dark reddish brown with translucent areas in the petals and galea, ± nodding, on pedicels 5–12 mm long. Dorsal sepal with an upcurved filiform point c. 5 mm long. Lateral sepals ovate in outline when flattened; conjoined part shallowly concave, margins incurved, glabrous; free points narrow-triangular, 2–4 mm long, deflexed, divergent, 6–8 mm apart at the tips. Petals with a well-defined proximal flange that nearly blocks the base of the galea. Labellum oblong, c. 4 mm long, c. 2 mm wide, reddish brown, moderately thick; marginal trichomes 8–10 pairs, c. 1.6 mm long.
Distribution and occurrence: Grows in sclerophyll forest, usually where there is a sparse understorey; chiefly from Taree to Sydney.
NSW subdivisions: NC, CC, NT, CT
Other Australian states: Qld
Text by D. L. Jones
Taxon concept: Flora of NSW 4 (1993)
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