|This species which occupies an area of 444 km, has been placed on the IUCN Red List as globally threatened.
|Mixed forests in southern Yunnan at an altitude of 1,000-1,500 m.
|Rough dark grey to dark brown bark with glabrous branchlets purplish brown when young and mature to a dark brown or dark grey.
|Flower/Leaf Bud Description
|Ovoid buds with ciliate scales.
|Green, ovate-oblong or oblong-elliptic, an obtuse or broadly cuneate base with 7-9 pairs of veins, 8-14x3-4 cm.
|Yellowish brown fruit, produced in September and convex winged nutelts, 1x1.4 cm.