Roots rather short, thick. Bulb solitary, cylindric; tunic membranous, entire, rarely fibrous. Leaves subequaling scape, 4--10 mm wide, midvein distinct. Scape terminal, 20--60 cm, 2-or 3-angled, sometimes narrowly winged, covered with leaf sheaths only at base. Spathe 2-or 3-valved, deciduous. Umbel laxly few flowered. Pedicels subequal, 2--5 × as long as perianth, ebracteolate, apex nodding. Perianth spreading-campanulate, red-purple to purple; outer segments oblong, boat-shaped, shorter and wider than inner ones, 9--11.5 × 5--8 mm, apex truncate or retuse; inner ones narrowly ovate-oblong, 10.2--12 × 4--6 mm. Filaments subulate, equal, equaling to slightly longer than perianth segments, connate at base and adnate to perianth segments. Ovary obovoid-globose, apex sometimes 6-horned; ovules 2 per locule. Style much longer than ovary, exserted; stigma punctiform. Fl. and fr. Aug--Oct. 2 n = 14, 28.
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An onion plant. It is a herb. It has one bulb. The leaves are 4-10 mm wide. The stalk is 20-60 cm long and 2 or 3 angled.
It is a temperate plant. In the Himalayas it grows between 2,000-2,500 m above sea level. In China it grows in damp places and stream banks between 2,700-4,200 m above sea level. In Sichuan and Yunnan.
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Meadows, stream banks, damp places; at elevations from 2,700-4,200 metres.
Can be grown by seedlings. Seeds needs stratification.
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