Terrestrial herb, slender, grass-like, geophyte, 0.5-1.0 m high; root tubers present. Leaves: radical leaves 5, semi-erect, linear, up to 500 x 5 mm; cauline leaves 6-9, lax, loosely sheathing, 20-40 mm long. Inflorescence in lax racemes. Flowers 2-6, resupinate, blue to purple, petal apices green, lip dark purple. Sepals: median sepal erect, galeate, obtuse, 15-20 mm long; spur straight, clavate, 2-4 mm long; lateral sepals spreading, oblong, obtuse, 13-18 x 6-10 mm. Petals erect in galea behind anther, orbicular basal anticous lobes 3-4 mm in diam., limb strap-shaped, 11-16 mm long, geniculately curved, apices extended into flabellate structures. Lip spreading, narrowly elliptic, obtuse, 11-16 mm long, margins crenulate, curved downwards. Flowering time Jan.-Mar.
Slender, tuberous geophyte to 1 m. Leaves dry at flowering, basal, linear. Flowers few in a lax raceme, blue to violet-purple, petal apices green, spur clavate, 2-4 mm long, lateral sepals oblong, 13-18 mm, down-curved, lip dark purple, elliptic.