光果柯 guang guo ke

Pasania nitidinux Hu, Acta Phytotax. Sin. 1: 115. 1951.

Trees to 18 m tall, glabrous except for inflorescences. Petiole ca. 1 cm; leaf blade narrowly oblong, 10-18 × 4-6 cm, thickly papery, concolorous, base cuneate, margin entire, apex acuminate; secondary veins 11-16 on each side of midvein; tertiary veins reticulate, abaxially slender, conspicuous on both surfaces. Infructescence rachis 1-1.4 cm thick, sparsely lenticellate; lenticels small. Cupules in clusters of ca. 3, cupular, enclosing 1/5-1/4 of nut, wall ± woody and basally thickened; bracts imbricate, broadly triangular, appressed, grayish puberulent. Nut depressed globose, ca. 1.4 × 2.5 cm, apex ± flat; scar ca. 1.3 cm in diam., concave. Fr. Aug-Oct.

* Sparse forests on calcareous mountains; circa 1100 m. SW Guizhou, SE Yunnan (Xichou Xian)