Clump-forming, grass-like. Bulb globose, to 2.5 cm diam.; tunic thin. brown. Leaves 3-8, ± erect, later elongating and drooping, 30-40 cm × 5-8-(10) mm, linear, concavo-convex, shining green on convex surface, dull and glaucous on concave surface. Scapes 1-3, to 30 cm × 5 mm, green, greyish-blue below inflorescence. Raceme to 10 cm long, at first hidden among leaves, conspicuous when scapes elongate and leaves droop. Flowers many 6-7 mm long, bright-blue to violet-blue, oblong to obovate, campanulate, fleshy, contracted at mouth; lobes white, recurved; pedicel slightly < flower, (or 0 in upper sterile flowers); bract white, minute. Sterile flowers to 18, smaller towards apex of raceme, entirely bright sky-blue. Capsule c. 7 mm long, triquetrous, firmly membranous. Seeds c. 2 mm long, black.