Dwarf, stemless, up to 3 cm high. Bulbs often congested, globose-ovoid, acute at the apex, up to 2 cm long; outer tunics rough, papery, dark brown, the inner paler, smooth, shining. Rhizome slender, 3-10 cm long. Leaves numerous; petioles 1-2 cm long, slender, adpressed-pubescent; leaflets 3, sessile, linear-oblong, acute at the base and apex, mucronulate, 8-12 mm long, 1-2.5 mm broad, subconduplicate or often involute, glabrous above, adpressed-pubescent beneath, densely ciliate with introrse hairs. Peduncles 1-fld., numerous (up to 35, but usually only1-2 flowering at once), more or less as long as the leaves, sparsely pubescent, with 2 alternate ciliate bracts often imbricating the calyx. Sepals broadly lanceolate, sometimes shortly attenuate, 4-5 mm long, reddish, pubescent towards the middle, glabrous towards the margin, ciliate, ecallose, usually edged with a purple streak. Corolla glabrous, 1.6-2.3 cm long, white, with a funnel-shaped yellow tube; petals cuneate, attenuate to the base, rounded at the apex, 0.7-1 cm broad, rarely rosy-margined beneath. Filaments sparsely glandular-pilose, the shorter 3.5-6 mm, the longer 6-10 mm long, edentate, the longest very unequal. Ovary cano-pubescent on the upper half, callose near the apex, the chambers 2-3-ovuled; styles pilose at the base, glandular-pilose above. Seeds without endosperm.
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Dwarf, acaulescent geophyte, up to 30 mm tall. Bulb tunics papery, dark brown. Leaves in a basal tuft, leaflets 3, linear-oblong, ± conduplicate, acute at base and apex, adpressed-pubescent beneath. Flowers 1 per peduncle with alternate bracts often overlapping calyx, white with a yellow tube, petals sometimes rosy margined beneath.
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