Description from Flora of China
Shrubs, deciduous, to 2 m tall. Winter buds with 2 pairs of ovate and apically long acute outer scales; inner scales accrescent, enlarged and reflexed. Branches subquadrangular; branches, petioles, and peduncles densely or sparsely glandular hairy. Petiole 1.5-2.5 cm; leaf blade broadly triangular-ovate to broadly rhombic-ovate, 2.5-5.3 × 2.5-5.3 cm, base broadly cuneate to truncate, apex cuspidate and mucronate or obtuse. Inflorescences axillary paired flowers; peduncle 7-10 mm; bracts subulate, to 1/2 as long as ovaries, glandular hairy; bracteoles fused into a cupule, 1/3-2/5 as long as ovaries, glandular ciliate. Neighboring 2 ovaries free, glabrous. Calyx cupular, inconspicuously dentate. Corolla bilabiate, yellowish, ca. 1.3 cm, outside sparsely puberulent and glandular hairy; tube ca. 0.7 cm, shallowly gibbous toward base, inside villous; lobes of upper lip ovate, lobed to ca. 1/3; lower lip reflexed. Stamens slightly exceeding corolla; filaments subequal, villous on lower part. Style slightly shorter than corolla, densely villous. Berries red, globose, ca. 6 mm in diam.; seeds brownish, suborbicular or ovoid-orbicular, slightly compressed, smooth, 3-4 mm. Fl. May, fr. Jul.
● Stony slopes; ca. 1200 m. Hebei (Neiqiu).