粗根鸢尾 (原变种) cu gen yuan wei (yuan bian zhong)

Iris pandurata Maximowicz

Leaves 5--13 cm × 1.5--2 mm at anthesis, ca. 30 cm × 3 mm in fruit. Flowering stems not or barely emerging above ground. Flowers 3.5--3.8 cm in diam. 2 n = 38.

Dry hillsides, sandy grasslands, dunes. Gansu, Heilongjiang, Jilin, Liaoning, Nei Mongol, Qinghai, Shanxi, Sichuan [Kazakhstan, Mongolia, Russia].