Description from Flora of China
Herbs perennial, 25--35 cm, drying black. Roots fleshy. Stems erect or ascending, hollow, unbranched, sparsely pubescent, glabrescent when old. Basal leaves numerous; petiole to 6.5 cm; leaf blade ovate-lanceolate to lanceolate, ca. 12 X 2.5--3.5 cm, pinnatipartite to pinnatisect; segments linear-lanceolate, margin double dentate to pinnatipartite or dentate. Inflorescences racemose, lax; rachis densely pubescent; bracts leaflike, white tomentose, proximal ones much longer than flowers. Calyx 1.1--1.5 cm, initially tomentose, later glabrescent; lobes 5, leaflike, unequal. Corolla yellow, 2.2--3 cm; galea falcate, beaklike apically, 2-toothed and inconspicuously denticulate; lower lip ca. as long as galea, ciliate. 2 filaments pubescent, 2 glabrous. Capsule cylindric-lanceolate, 1.2--1.8 cm. Fl. May--Jul, fr. Jul--Aug.
Dry grassy slopes, moist places; ca. 1000 m. Hebei, C and SE Liaoning [Korea].