白枝柯 bai zhi ke

Trees to 25 m tall. Branches of last-year growth covered with a ± translucent, longitudinally splitting, thin waxy layer. Petiole 1-2 cm; leaf blade narrowly oblong, 14-20 cm, leathery, concolorous, glabrous, base cuneate, apex acuminate with tip obtuse; secondary veins 8-10 on each side of midvein, curving apically near margin, apical ones fusing. Inflorescences unknown. Fruit solitary, sessile; rachis 4-5 mm thick, grayish, glabrous or glabrescent. Cupule bowl-shaped, 5-8 mm × 1.8-2.5 cm, enclosing ca. 1/2 of nut, basally ± flat, wall less than 1 mm thick and crustaceous; bracts linear, 1-3 mm, ± curved. Nut depressed globose, 1.6-2 × 1.7-2.4 cm, densely covered with appressed, short hairs; scar 1-1.2 cm in diam., concave; stylopodium to 4 mm. Fr. Oct.

* Broad-leaved evergreen forests; circa 1600 m. SE Yunnan (Pingbian Miaozu Zizhixian)