Branchlets densely grayish pilose. Petiole to 7 mm, pilose; leaf blade narrowly elliptic, 8-14.5 X ca. 5 cm, abaxially densely pilose, base subrounded to cordate, margin entire, apex acuminate; veins abaxially prominent, pilose when young. Cymes 5-7-flowered, densely grayish pilose; peduncle 1-2 cm; involucral bracts 4, narrowly oblong, 2.5-3 X 0.5-0.8 cm. Calyx campanulate, 7-8 mm, outside densely white pilose, inside pubescent. Corolla grayish, ca. 7 mm, tube cylindric. Stamens 4, long exserted. Ovary ca. 2 mm, glabrous. Fl. Oct.

Mixed forests; 700-1500 m. S Yunnan [Myanmar].