Plants 150-300 mm high. Corm conic, 15-20 mm diam., tunics pale, of medium-textured fibres, accumulating with age and forming collar. Stem flexed outward above uppermost sheath and then suberect, minutely papillate, usually 1-or 2-branched. Leaves 5 or 6, inclined to suberect, usually ± as long as stem, linear-lanceolate, 80-250 x 4-5 mm, tapering above, acute. Spike lightly deflexed, 4-to 9-flowered; bracts obovate, herbaceous and firm-textured, green with hyaline margins, 6-10(-13) mm long, tricuspidate, inner slightly shorter. Flowers (30-)35-47 mm long, white flushed dull purple on reverse of tepals, base of lower tepals marked yellow-orange with dark midline, strongly violet-scented; perianth tube funnel-shaped, 20-30 mm long with tubular lower portion 6-7 mm long, widening ± abruptly into flared upper portion; tepals unequal, dorsal largest, suberect, ovate, 11-18 x 8-11 mm, upper laterals oblong, lower tepals recurved, lower laterals narrowly ovate, 10-14 x 6-8 mm, lower median oblong, 10-16 x 5-6 mm. Filaments arcuate, 13-15 mm long, included; anthers 7-8 mm long. Style dividing at or slightly beyond anther apices. Capsules oblong, (6-)9-12 x (6-)7-10 mm, papillate. Seeds obliquely subglobose with inflated chalaza and raphe, 2.5-3.0 mm diam., wrinkled, glossy reddish brown.
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Cormous geophyte, 15-30 cm, corm tunics of coarse fibres. Leaves linear, glaucous. Flowers white flushed mauve on reverse, sweetly scented, bracts tricuspidate.