Trees small, dichotomously branched; branchlets light brown, terete, pubescent when young, glabrous in age. Petiole 1.5-3 cm; leaf blade lanceolate, 8-14 × 2.5-5 cm, densely appressed pubescent when young, glabrous in age, base cuneate to rounded, margin entire or inconspicuously serrate, apex acuminate to mucronate. Cymes terminal and lateral, widely spaced, 3-6 cm wide. Calyx cylindric, 4-5 mm, densely strigose, margin with 5 small teeth, with 10 longitudinal veins. Corolla white; lobes tuberculate adaxially, ca. as long as tube. Stamens inserted above middle of corolla tube, slightly exserted. Drupes ellipsoid, straight, ca. 12 × 8 mm, subtended by persistent calyx; endocarp forming an elongated pyrene, irregularly wrinkled, tuberculate.

Taiwan [Japan]