Description from Flora of China
Lycianthes biflora subsp. yunnanensis Bitter, Repert. Spec. Nov. Regni Veg. 18: 319. 1922.
Shrubs ca. 1 m tall, whole plant with dense, pale yellow, many-celled villous hairs. Leaves unequal paired; petiole 1-1.5 cm; blade of major leaf long elliptic, 8-20 × 3-7 cm, pubescent with many-celled hairs, sometimes glabrescent adaxially, base cuneate, decurrent on petiole, apex acute or acuminate; blade of minor leaf ovate, 3-7 × 1.5-3 cm. Inflorescences 4-6-flowered fascicles in leaf axils. Pedicel 1-1.5 cm. Calyx cup-shaped, ca. 5 × 4 mm; teeth 10, linear-subulate, 2-3 mm. Corolla purple, stellate, ca. 1 cm, 5-parted; lobes broadly lanceolate, 6-7 mm. Filaments ca. 0.5 mm; anthers oblong, ca. 3 mm, glabrous. Style ca. 6-8 mm, glabrous. Fruiting pedicel 1.8-2 cm, sparsely long villous. Berry purple-red, 0.8-1.2 cm in diam. Seeds deltate-reniform, ca. 2 × 1.5 mm. Fl. Oct-Nov, fr. Nov-Dec.
* Open slopes, forests, forest edges; 1000-1700 m. Yunnan.