Plants 100-150 mm high, repeatedly branched, upper branches subtended by bracts up to 10 mm long, stem ± flexuose, compressed and 2-winged. Corm ± 10 mm diam., broadly obconic; tunics blackish, splitting vertically at base and apex. Leaves 2 or 3, lowermost basal and longest, usually falcate, 40-100 x 3-4 mm, acute, with prominent main vein, margins plane, slightly thickened, not or hardly sheathing at base; upper leaves similar, inserted in middle of stem, 25-30 mm long. Inflorescence a congested, flat-topped false panicle, flowers crowded at branch tips, ultimate branchlets mostly 2-or 3-flowered; bracts 5-7 mm long, green, leathery, inner ± as long as outer or slightly longer, obtuse or inner ± emarginate. Flowers zygomorphic, dark blue, evidently uniformly coloured, scent unknown; perianth tube ± cylindric, (14-)18-20 mm long, ± 1 mm diam. at base, ± 2 mm diam. at mouth; tepals 7-8 x ± 3 mm. Filaments unilateral, inserted ± 4 mm below mouth of tube, 7-8 mm long, exserted 3-4 mm; anthers ± 3 mm long; pollen colour unknown. Style dividing opposite middle and apex of anthers, ± 2.5 mm long, divided for ± 1/2 their length. Capsules top-shaped, 3-lobed, ± 5 mm long (mature capsules and seeds unknown.