Trees 10--12 m tall. Trunk 12--14 cm d.b.h., bark smooth. Branchlets reddish brown, striate. Petiole 4--7 mm; leaf blade ovate-oblong, elliptic, or ovate-lanceolate, 8--13 X 3.5--4.8 cm, abaxially sparsely villose, adaxially often sparsely stellate pubescent on mid-vein, base broadly cuneate to rounded, margin serrulate, apex acuminate, secondary veins 8--10 pairs, tertiary veins reticulate. Inflorescences 5- or 6-flowered, 4--6 cm. Pedicel 1.4--2 cm, gray villose. Calyx tube turbinate, ca. 2.5 mm, gray villose, limb truncate. Corolla lobes 4, elliptic-oblong, 4--14 X 5--7 mm. Stamens 8, 7--10 mm; filaments flattened. Stigma undivided. Fruit long ellipsoid including an apical rostrum, 4.2--7.5 X 0.8--1.1 cm, 8-ribbed, densely grayish villose and shortly stellate pubescent, base gradually narrowed into pedicel, 4-locular, 1 seed per locule, exocarp adnate to mesocarp. Seeds linear-oblong, ca. 1 cm. Fl. Apr, fr. Jun.

* Thickets on mountain slopes or along streambanks; 400--500 m. Hunan (Shimen Xian).