Shrubs, erect to slightly climbing. Branchlets brownish, pubescent when young, glabrescent. Petiole 3-4 mm or leaves subsessile; leaf blade ovate-oblong to obovate, 8.5-13 X 4-8 cm, papery, pubescent especially on veins or abaxially subglabrous and yellow glandular, base acuminate to rarely cuneate or rounded, margin entire or obscurely serrulate above middle, apex acuminate. Inflorescences spikelike thyrses, ca. 7 X 1.5 cm; peduncle ca. 1.8 cm, densely velvety; bracts lanceolate, ca. 1 cm, pilose. Calyx campanulate, ca. 2 mm, 2-lipped; lips entire or upper lip emarginate and ciliate, subglabrous to sparsely puberulent, yellow glandular. Corolla white or yellowish green, 4-lobed, subglabrous, outside glandular, villous in throat. Stamens exserted. Ovary glabrous or sparsely pubescent, glandular. Fruit black, obovate, apically yellow glandular. Fl. and fr. May-Aug.