Corybas fimbriatus
(R.Br.) Rchb.f. Fringed Helmet-orchidLeaf broadly ovate to circular, sometimes shallowly 3-lobed, apex mucronate, base cordate, 13–26 mm long, 15–30 mm wide, green on both sides. Flower purplish-red or crimson, more or less sessile; dorsal sepal transparent with numerous purplish-red spots, broadly triangular, hooded over labellum, much contracted in lower half, c. 2 cm long when flattened out, lateral sepals usually united, linear, c. 5 mm long; petals linear, c. 4 mm long. Labellum c. 15 mm long when flattened out, tube erect, auricles prominent; lamina reflexed, longer than tube, strongly veined, surface smooth or minutely glandular, margin deeply fimbriate, often inflexed, boss a purplish-red mound. Column not winged (but dilated laterally in distal half). Flowers May–Sep.
GipP, EGL, EGU, WPro, HSF, Strz. Also Qld, NSW, Tas. Usually forming colonies on moist, shaded sandy soil near the coast and generally east of Western Port, but with isolated occurrences near Melbourne at Gembrook, Warrandyte and Greensborough.
Corybas fimbriatus has been confused with C. hispidus, but the latter has a creamy white labellum boss that is deeply notched and covered with bristly hairs.
Entwisle, T.J. (1994). Orchidaceae. In: Walsh, N.G.; Entwisle, T.J., Flora of Victoria Vol. 2, Ferns and Allied Plants, Conifers and Monocotyledons, pp. 740–901. Inkata Press, Melbourne.