Description from
Flora of China
Linaria vulgaris var. chinensis Bunge ex Debeaux, Actes Soc. Linn. Bordeaux 31: 336. 1876.
Leaves alternate, rarely lower ones or all whorled; leaf blade linear, 2-6 cm X 2-4(-10) mm, 1(-3)-veined. Inflorescence axis and pedicels glabrous or sparsely short glandular hairy. Calyx lobes lanceolate, ca. 4 X 1-1.5 mm, inside sparsely with glandular hairs. Fl. Jun-Sep.
Used medicinally for treating heart disease caused by rheumatism.
Mountain slopes, trailsides, meadows, gravelly steppes; below 1000 m. NE Gansu, Hebei, Heilongjiang, Henan, N Jiangsu, Jilin, Liaoning, Nei Mongol, Shaanxi, Shandong [Korea].