Description from Flora of China
Shrubs ca. 1.5 m tall. Branchlets purplish brown, 4-angled, sparsely stellate pubescent when young, becoming terete, grayish brown, and glabrous. Petiole very short to leaf subsessile; leaf blade narrowly elliptic to obovate-elliptic, narrowing below middle, 13-18 X 3-5 cm, glabrous or adaxially puberulent, abaxially densely small yellow glandular, base subcordate, margin subentire to serrulate, apex acuminate to acute, veins 10-12 pairs. Cymes slender, ca. 2.5 cm across, yellowish brown stellate pubescent; peduncle 4-8 mm; bracts linear-lanceolate. Calyx cup-shaped, ca. 2 mm, minutely 4-dentate to subtruncate, glabrous or sparsely stellate pubescent. Corolla purple, ca. 4 mm, subglabrous. Filaments shorter than corolla; anthers ca. 1.5 mm, oblong. Style slightly longer than stamens. Fruit obovate to ovate, ca. 2.5 mm in diam., yellow glandular. Fl. Jun, fr. Jul-Oct.
* Mountain slopes; 300 m. S Anhui, Jiangxi, Zhejiang.