Description from Flora of China
Tarenna kwangsiensis Handel-Mazzetti.
Shrubs or small trees, 1-4 m tall; branches compressed, glabrous, green or almost green, often drying blackened. Petiole 1-2 cm, glabrous; leaf blade drying membranous, elliptic-oblong to elliptic-oblanceolate, 8-15 × 3-6.5 cm, often with bacterial nodules, adaxially glabrous, abaxially glabrous, glabrescent, or pubescent along midrib, base cuneate to acute, apex acuminate to acute; secondary veins 6 or 7 pairs; stipules broadly ovate-triangular, 1-3 mm, glabrous, acute to shortly aristate. Inflorescences terminal on lateral branches, laxly corymbose, 7-9 × 7-15 cm, many flowered, glabrous; peduncle 1-2 cm; pedicels 3-6 mm. Flowers pedicellate. Calyx with hypanthium portion ellipsoid, ca. 1 mm, glabrous; limb 0.5-1.5 mm, glabrous, shallowly lobed. Corolla white, outside glabrous; tube 12-19 mm, inside pilose at throat; lobes narrowly triangular-oblong, 5-7 mm, acute to obtuse. Style ca. 35 mm. Drupes globose, 6-7 mm, pilosulous to glabrous, calyx limb persistent. Fl. Mar-Jul, fr. Jul-Nov.
Bremekamp noted in his description of this species that it comprises the Chinese plants previously treated as Pavetta indica by at least some authors.
Thickets; 200-1300 m. Guangdong, Guangxi, Hainan, Yunnan [Vietnam].