Plant smelling of garlic. Bulb c. 25 x 10 mm, narrowly ovoid, white; roots fleshy, contractile. Leaves 20- 35 cm x 5-8 mm (including 6-8 cm underground), obtuse, somewhat keeled and channelled, flaccid. Scape 25-35 cm (including pedicel and underground part), slender. Spathes 25-30 mm, scarious. Pedicel 3-5 cm. Perianth-tube 15 mm, obconical, dull purple tinged with green; perianth-lobes 20 x 9-12 mm, imbricate, white or violet-blue; abaxial surface with a dark purple stripe and, in the outer segments, tinged with green.