Perennial, 10--25 cm tall. Bulb ovate, 1--2 cm in diam.; skin of bulb papery, dark brown, pubescent on inner surface; stem glabrous. Leaves 2, closely alternate, narrowly lanceolate, 8--11 cm X 4--9 mm, often curved outward, glabrous. Flower solitary, terminal; perianth segments 6, in two series of 3, yellow, 2.5--4.5 cm X 4--8 mm, apices acute; outer perianth segments 3, narrowly oblanceolate, externally green-purple; inner perianth 3, oblong-obovate, same length as above, 8--15 mm wide; stamens 6, in two series with 3 long, to 2.4 cm, and 3 short, to 2.2 cm; filaments 2.5--3 X as long as anthers, yellow, glabrous, widened below their midpoint, gradually narrowed toward both sides; anther yellow, narrowly oblong, 4--6 mm; pistil exceeding the stamens; style ca. 1 cm. Fruit and seed not found.

* Stony hillside fields. Nei Mongol.

Name appeared after publication of the family treatment for the Flora of China.