Description from Flora of China
Evergreen shrubs or trees, 5-10 m tall. Bark gray-brown or dark gray-brown, lenticellate, lenticels 1-3 mm in diam. Branchlets green, yellow-green or yellow-brown when dry, longitudinally striate, glabrous. Buds ovate, ca. 4 mm; bud scales laxly pubescent outside. Petiole ca. 1.5 cm, glabrous; leaf blade pale greenish and gray-green when dry abaxially, green and yellow-green when dry adaxially, ovate or oblong, (12-)14-22 × (4-)5-7 cm, glabrous adaxially, trinerved, midrib and lateral veins convex, veinlets obscure adaxially, lateral veins elongating to apex, involute on margin, midrib, lateral veins, and transverse veinlets distinct abaxially, base broadly cuneate or subrounded, caudate-acuminate and 0.5-2.5 cm at apex. Umbels 2-6, inserted at short branch in leaf axil; involucral bracts 4 or 5, 5-flowered inside. Male flowers: tepals ca. 2.5 mm in outer whorl, ca. 2.2 cm in inner whorl, oblong, pubescent on dorsal keel; stamens equal in length; filaments pubescent, 2-glandular at base in 3rd whorl; glands subglobose; reduced pistil ca. 1.3 mm; ovary subglobose, equal to length of style, laxly pubescent; stigma disciform. Female flowers: tepals ca. 2 mm in outer whorl, ca. 1.8 mm in inner whorl, narrowly elliptic, pubescent on dorsal keel; reduced stamens fasciated, ca. 1 mm, laxly pubescent, 2-glandular below middle of filament in 3rd whorl; glands narrowly ovate, compressed; ovary ovate, ca. 0.6 mm; style rather stout, ca. 0.3 mm, laxly pubescent; stigma semiglobose, papillose. Fruits blue-black, ellipsoid, ca. 1.1 cm × 7 mm, plane or slightly concave at apex, mucronate, pubescent when young; stipes ca. 1.5 cm; hypocarpium ca. 2 mm in diam. Fl. Feb-Mar, fr. Sep.
● Dense forests, shady areas of thickets in valleys; 1000-1700 m. Guangxi (Lingui, Longsheng).