Herb, 0.2-0.6 m high. Leaves 2, pressed flat on ground, orbicular or ovate. Flowers: 6-36 in spike; ovary 7-17 mm long; sepals 10-12 mm long, ± 1/3 fused with petals, then bent down; lip partly bent backwards with a slight ridge; spurs 10-20 mm long; perianth white to ivory-white, faintly tinged with pink, strong sweet scent; Sep.-Jan., after fires.
Stout, tuberous geophyte to 60 cm. Leaves 2, prostrate, broadly ovate to subrotund, bracts deflexed. Flowers few in a lax raceme, white to ivory, faintly pink-tinged, sepals 9-12 mm long, spurs 10-20 mm long.
An orchid.