Pasania bacgiangensis Hickel & A. Camus, Ann. Sci. Nat., Bot., ser. 10, 3: 396. 1921; P. tomentosinux Hu.

Trees 10-15 m tall. Branches glabrous, lenticellate. Petiole rarely longer than 1 cm, leaf blade elliptic, ovate-elliptic, or occasionally ovate, 10-15 × 3-6 cm, papery, ± rigid, abaxially with adherent, waxy scalelike trichomes and glaucous when dry, adaxially glabrous, base broadly cuneate, margin entire, apex narrowly acuminate to acute; secondary veins 10-15 on each side of midvein; tertiary veins abaxially conspicuous. Male inflorescences solitary in axils of leaves or 3-5 arranged in a panicle; rachis densely scurfy. Female and androgynous inflorescences with cupules in cluster of 2 or 3. Infructescences 8-18 cm; rachis 6-8 mm thick. Cupule bowl-shaped, 0.5-1 × 1.2-2 cm, enclosing rarely 1/2 of nut, basally with a stalk 3-5 mm, wall to 2 mm and woody near base; bracts triangular, small, densely tawny scurfy. Nut depressed globose to conical, 1-2 × 1.2-2.5 cm, densely covered with tawny minute hairs, apex rounded to pointed; scar 0.8-1.2 cm in diam., concave. Fl. Dec-Mar, fr. Oct-Dec.

Broad-leaved evergreen forests; 200-1700 m. Guangxi, Hainan, SE Yunnan [N Vietnam]