Leaf circular to ovate-cordate, green above, paler green to frosty underneath, 18–40 mm long, 20–40 mm wide. Flower reddish purple with white central patch, pedicel (excluding ovary) c. 2 mm long; dorsal sepal grey with reddish purple striations, broadly obovate-spathulate, hooded, only partly covering labellum, 20–23 mm long when flattened out, lateral sepals linear, tapered, fused at expanded base, up-curved or spreading obliquely, c. 3 mm long; petals linear-falcate, tapered, joined at base to lateral sepals, tips sometimes bifid, c. 2.5 mm long. Labellum 1.5–2 cm long when flattened out, tube erect, shorter than lamina, auricles short and opening downwards; lamina curving gently through 180° before expanding, broadly ovate to circular, dark purple with purplish and whitish hairs in front of boss, margins projecting forward or expanding and shortly toothed; central boss white, mounded, conspicuous, channelled at base; callus a series of irregular transverse plates with numerous short, blunt, inward-sloping teeth. Column minutely winged. Flowers Aug.–Sep.
Wim. Currently known in Victoria from a single site near Edenhope, in the far west of the State, in seasonally inundated woodland.
