Ajuga amurica Freyn; A. lanosa Sun.

Plants 6-20 cm tall. Stems densely lanate-villous. Basal stem leaves petiolate, apical ones sessile; leaf blade elliptic-oblong to elliptic-ovate, margin slightly undulate to undulate-crenate. Inflorescences ca. 10 cm, densely lanate-villous; floral leaves similar to stem leaves, reduced apically, lanceolate to ovate. Corolla 1-1.2 cm.

Used medicinally as a diuretic in Korea. Sparse grassy slopes, thickets, riverbank grasslands. Anhui, Hebei, Heilongjiang, Jiangsu, Liaoning, Nei Mongol [Korea, Russia].