Carpinus hebestroma Yamam.

Trees to 8 m tall; bark dark gray. Branchlets purplish brown, slender, pubescent. Petiole slender, 7-10 mm, pubescent; leaf blade lanceolate or ovate-lanceolate, 5-5.5 × 1.4-1.5(-1.8) cm, subglabrous, base subrounded, margin irregularly and simply serrate, apex acuminate; lateral veins 11 or 12 on each side of midvein. Female inflorescence 3-3.5 × ca. 1.5 cm; peduncle 1.5-2 cm, pubescent; bracts broadly semiovate, 7-10 × ca. 5 mm, sparsely pubescent along reticulate veins, outer margin incised-dentate, without basal lobe, inner margin entire, with inflexed basal auricle, apex obtuse; veins 4 or 5. Nutlet ovoid, ca. 2.5 × 1.5 mm, densely pubescent, villous at apex, sparsely resinous glandular, ribbed. Fl. May-Jul, fr. Jul-Sep.

E Taiwan (Hualian Xian)

* Forests on mountain slopes; 1000-1500 m.