Slender, caulescent, 5-12 cm high, glabrous except for the ciliate sepals. Bulb often 1 x 5 cm long, the older globose-ovoid, the younger narrower, attenuate or subrostrate at the apex: tunics rather hard, dark brown, some-times sparsely hairy, those of the younger bulbs thinner and paler, often slightly undulate. Rhizome slender, 6-12 cm long, with amplexicaul brown scales. Stem 1-6 (often 2-3) cm long, with 1-2 scales or rarely abortive leaves. Leaves 4-10, apically congested: petioles filiform, 1-3 cm long: leaflets 3, minutely petiolulate, oblong-lanceolate, semi-conduplicate, slightly falcate, minutely emarginate, often 1-1. long, minutely bicallose at the apex, horded on the extreme margin with short orange pellucid calli which turn black in drying. Peduncles 1-fld., terminal, generally longer than the leaves, with 2 small alternate subulate callose bracts towards the apex. Sepals lanceolate, 4.5-6 mm long, ciliate, with 2 or rarely 4 apical calli. Corolla 2-2.8 cm long, white, with a narrowly funnel-shaped yellow tube: laminae of the petals obliquely obovate, narrowly margined with either purple or dull yellow beneath, often minutely ciliate, a little longer than the narrow claw. Filaments, the shorter 3-4.5 mm, the longer 5-7 mm long, glandular-pilose on the lower half, shortly toothed. Ovary pubescent on the upper half, the chambers 3-ovuled: styles pubescent below, densely glandular-pilose above. Seeds without endosperm.
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Caulescent geophyte with slender stem to 12 cm. Leaves terminal, trifoliolate, leaflets oblanceolate-conduplicate, with orange marginal calli. Flowers white with yellow tube and dark margins.