Description from Flora of China
Shrubs, 0.5-3 m tall; branches flattened to terete, densely hirtellous, pilosulous, or strigillose. Leaves opposite; petiole 0.3-1.5 cm, densely hirtellous or pilosulous; blade drying papery, elliptic-oblong, elliptic-ovate, or elliptic, 5-15 × 2-6.3 cm, adaxially glabrous or sparsely strigillose on lamina and densely strigillose on principal veins, abaxially sparsely strigillose to glabrous on lamina and densely strigillose to pilosulous on principal veins, base cuneate, apex acuminate to shortly acuminate; secondary veins 4-8 pairs; stipules deciduous, suborbicular, elliptic, or pandurate, 2-6 × 1.5-4 mm, moderately to densely strigillose, spreading at apex to fully reflexed, apex obtuse to rounded. Inflorescences rather laxly paniculate, pyramidal in outline, branched to 1 or 2 orders, 4-7 × 4-11 cm, densely pilosulous to hirtellous, sessile and tripartite or pedunculate; peduncle 0.3-3.5 cm; bracts linear to triangular, 0.3-1 mm. Flowers subsessile. Calyx densely strigillose to pilosulous; hypanthium portion subglobose, ca. 0.8 mm; limb deeply lobed; lobes lanceolate to triangular, 0.5-1 mm. Corolla white, tubular or salverform, sparsely pilosulous or glabrous outside; tube 1-1.5 mm, sparsely pubescent or glabrescent inside; lobes oblong-ovate or subovate, 1-1.5 mm, rounded to obtuse. Anthers elliptic, ca. 0.8 mm, subsessile, partially exserted. Stigma bifid, ca. 1 mm. Capsules subglobose, 1-1.5 mm in diam., pilosulous. Fl. Apr-May, fr. Jun-Dec.
● Forests in valleys; 100-900 m. Guangdong, Guangxi.