Terrestrial herb, slender geophyte, 0.2-0.5 m high; with ovoid root tubers. Leaves 2 or 3, cauline, linear-lanceolate, acute, up to 200 mm long. Inflorescence a lax spike. Flowers 12-17, secund, white to pink. Sepals unequal; median sepal 7-12 mm long; lateral sepals 8-11 mm long; spur 5-10 mm long, decurved. Petals narrowly oblong, with small anticous lobe. Lip very small. Flowering time Feb.-Apr.
Slender, tuberous geophyte to 50 cm. Leaves 2 or 3, linear to narrowly lanceolate. Flowers few in a lax raceme, ± 10 mm diam., white to pale pink with darker spots, lip ± 1 mm long.