Description from
Flora of China
Shrubs 2-3 m tall. Branchlets angular, brown velutinous-tomentulose; pith solid. Petiole canaliculate, 3-5 mm; leaf blade linear-lanceolate, 9-15 × 1.8-3 cm, papery, glabrous, prominently thinly black punctate-lineate, base rounded, margin subentire to sparsely serrulate, apex acuminate or subcaudate-acuminate; lateral veins 10-12 on each side of midrib, ending in teeth, submarginal vein absent. Inflorescences axillary, paniculate, 0.7-2 cm, 2- or 3-branched, puberulent; bracteoles ovate. Flowers white, ca. 2 mm. Pedicel 0.5-1 mm. Calyx puberulent, to 1 mm; calyx lobes broadly ovate, red punctate-lineate, margin minutely ciliate, apex obtuse. Corolla tubular-campanulate; lobes broadly ovate or subreniform, shorter than tube, red punctate-lineate, margin crenulate, apex rounded. Stamens inserted at middle of corolla tube; anthers ovate, as long as filaments. Pistil included. Style glandular; stigma apiculate. Fruit globose, ca. 4 mm in diam., fleshy, slightly longitudinally ribbed; persistent calyx lobes reaching conical style base, exposed part ca. 1/3 fruit length. Fl. and fr. Feb.
* Broad-leaved forests, valleys, hilly areas, shady places; 800-1300 m. S Yunnan.