Description from Flora of China
Melodinus duclouxii H. Léveillé, Repert. Spec. Nov. Regni Veg. 2: 114. 1906; J. dumicola W. W. Smith; J. schneideri H. Léveillé.
Shrubs scandent, 2.5-5 m. Branchlets dark purple-red, obscurely angular or terete. Leaves opposite, simple; petiole stout, 2-10 mm, twisted; leaf blade narrowly lanceolate to lanceolate, 5.5-18.5 × 1.5-5 cm, leathery, glabrous, base rounded, apex caudate-acuminate or acuminate; primary veins 10-20 on each side of and nearly at right angles to midrib, slightly raised adaxially, obscure abaxially. Cymes corymbose, rarely racemose, 3-15-flowered, opposite and axillary or terminal and in fascicles of 4; bracts scaly, 1-2 mm. Pedicel 2-15 mm, thickened upward, glabrous. Calyx campanulate; lobes 5, sharply deltate, 0.5-1 mm. Corolla white, pink, or purple outside, nearly funnelform; tube 1.1-2 cm; lobes 4 or 5, oblong or ovate, 6-11 mm. Berry black, globose, 6-12 mm in diam. Fl. Dec-May, fr. May-Dec.
* Ravines, woods, thickets; 1200-3100 m. SW Guangxi, Yunnan