Common name: Green Beaks, Green Rock Orchid
Rimacola elliptica (R.Br.) Rupp APNI*
Description: Epilithic herb.
Leaves few to several, basal, congested, elliptic to ovate or lanceolate, to 10 cm long and 30 mm wide, glabrous, petiolate.
Inflorescence to 25 cm long, arching to drooping, with 2–5 small, loosely sheathing bracts and 6–18 congested flowers. Perianth segments to 30 mm long. Lateral petals about three-quarters the length of the lateral sepals. Labellum white or green with reddish brown markings, prominently stalked, slightly curved, the margins slightly wavy. Calli reduced to irregularly shaped bumps or nodules; basal callus a fleshy pad bearing up to 4 low parallel ridges. Sepals and petals persistent as capsule ripens.
Distribution and occurrence: Grows in wet crevices and on damp ledges of sandstone cliffs often among mosses, grasses and ferns; chiefly in the Blue Mtns, also on the coast on rocky outcrops north of Sydney.
NSW subdivisions: CC, CT
Text by P. Bernhardt
Taxon concept: Flora of NSW 4 (1993)
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