Bulb subglobose, ca. 2 cm in diam.; scales white, lanceolate or ovate-lanceolate, 2--2.5 × 1--1.2 cm. Stem 40--120 cm, papillose. Leaves scattered, lanceolate or oblong-lanceolate, 5--10 × 2--3 cm, glabrous, 5-veined, margin papillose. Flowers solitary or 3--5 in a raceme, nodding, somewhat trumpet-shaped. Tepals revolute, pale yellow or greenish yellow, rarely orange-yellow, tinged purplish in throat, suboblong, 6--9(--13) × 1.6--1.8 cm; nectaries not papillose. Filaments 5--5.5 cm, glabrous; anthers 8--9(--25) mm. Ovary cylindric, 1.5--1.8 cm. Style 4--5 cm; stigma swollen, ca. 4 mm in diam. Fl. Jun--Jul. 2 n = 24.

Bushy places in mixed forests, hillsides; (2100--)2600--2900 m. S Xizang, SE and W Yunnan [Bhutan, N India, Myanmar, Nepal, Sikkim].