Description from Flora of China
Shrubs 1-1.5 m tall, sparingly armed. Branches flexible. Leaves solitary on long shoots, clustered on short shoots; leaf blade linear-lanceolate or lanceolate, 1.5-2.6 cm × 2-6 mm, base cuneate, decurrent, apex acute, mid vein evident. Inflorescences axillary, 1-3-flowered clusters on short shoots. Pedicel 1-1.5 cm. Calyx campanulate, 3-4 × 3 mm, 2- or 3- lobed or truncate, sometimes circumscissile and only base persistent. Corolla purple or reddish purple, tube ca. 8 mm; lobes ca. 4 mm, not ciliate. Stamens and style slightly exserted; filaments sparsely villous slightly above base. Berry oblong or oblong-ovoid, 5-8 mm, mucronate. Seeds orange, ca. 2 mm. Fl. May-Aug, fr. Aug-Oct.
Slopes, near roads or fields, disturbed places in dry regions; 800-1500 m. Gansu, Nei Mongol, Ningxia, N Shaanxi, Shanxi, Xinjiang [Mongolia].