Stemless. Bulb with a contractile root, narrow-oval or ovoid, shortly attenuate at the apex, up to 2 cm long: outer tunics blackish brown, the inner papery and paler. Rhizome 10-20 cm long, with minute scales. Leaves numerous: petioles up to 4 cm long, often somewhat compressed, sparsely villose, dilated below the basal articulation: leaflets 3, 0.6-1 cm long, 0.8-1.2 cm broad, glabrous or sparsely villose above, villose beneath particularly on the medial nerve, ciliate, sometimes minutely brown-dotted, the medial shortly petiolulate, broadly obcordate, the lateral suboblique. Peduncles 1-fld., twice as long as the leaves, villose, with 2 linear alternate orange-callose bracts, up to 2.5 mm long, on the upper part, the bud cernuous. Sepals broadly lanceolate, 4-5 mm long, glabrous or sparsely villose, often ciliate on the lower half, with 2 orange-brown apical calli. Corolla 2.5-3 cm long, glabrous, rosy-lilac, with a funnel-shaped yellow tube: laminae of the petals obliquely obovate, 1.2-1.4 cm broad, slightly purple along the outer margin beneath, rather longer than the narrow-cuneate claw. Filaments, the shorter 2.5-4.5 mm, the longer 4.5-7.5 mm long, the longest rostrate or recurved at the apex, glandular-pilose on the outer edge, edentate. Ovary glandular-pilose, with longer simple hairs towards the apex, the chambers about 12-ovuled: longest styles glandular, often with simple hairs admixed. Capsule oblong. Seeds endospermous.
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Acaulescent geophyte. Leaves trifoliolate, leaflets obcordate, sparsely hairy beneath. Flowers rosy lilac with yellow tube, peduncle articulated.