Shrubs to 3 m tall, trailing, glabrous. Branchlets 4-angled. Leaves usually in whorls of 4; petiole 1-1.5 cm; leaf blade ovate or narrowly so, 5.5-10 X 2.5-3.5 cm, thick leathery, abaxially glabrous, apex obtuse or rounded; midvein elevated abaxially, lateral veins inconspicuous. Cymes fascicled, axillary; peduncle short. Sepals ovate to triangular, 3-4 mm, apex obtuse. Corolla tube 7-10 mm, densely pubescent inside at middle; lobes ovate, ca. 5 mm. Stamens inserted above middle of corolla tube. Ovary pubescent. Fruit ellipsoid, 1-2 X 0.6-1.5 cm. Seeds 1 or 2. Fl. May.

* Brushwoods. Taiwan (Lanyu and Lutao).