Plants 250-750 mm high. Corm globose, 10-12 mm diam., bearing small cormlets at base; tunics of fine, netted fibres. Stem erect or inclined, rarely with 1 branch subtended by membranous, darkly keeled attenuate bracts and prophylls 2-4 mm long. Leaves (3)4, lower 2 or 3 with well-developed blades, uppermost partly to almost entirely sheathing, blades narrowly sword-shaped to sublinear, usually exceeding stem but trailing above, (2-)3-4(-6) mm wide, soft-textured, main vein slightly raised, when dry a pair of secondary veins evident, margins not thickened. Spike subsecund, crowded, suberect or inclined, 4-to 8-flowered, branches with fewer flowers; bracts membranous, pale translucent with dark veins, flushed pink distally, 5-6 mm long, outer 3-veined and 3-toothed, inner 2-veined and 2-toothed, ± as long to slightly longer or shorter than outer. Flowers salver-shaped, pale pink, with a small, dark purple mark at tube apex between tepal bases, flushed red outside, unscented; perianth tube 10-12 mm long, subcylindric, widening gradually from base to apex, ± 1.5 mm diam. at mouth; tepals subequal, oblong-elliptic, 10-13 x 4-5 mm, spreading at right angles to tube. Filaments included in tube, 2-3 mm long, inserted ± 3 mm above tube base, shortly decurrent; anthers 2.0-2.5 mm long, tips reaching 3.5-5.0 mm below tube mouth, white; pollen yellow. Style 1-2 mm long, dividing shortly below or opposite filament bases, branches 1.5-2.0 mm long, reaching to base or middle of filaments.
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Like I. stohriae but flowers shell-pink, tube 10-12 mm long, stamens and style branches included in lower part of tube.