Carya sinensis Dode, Bull. Soc. Dendrol. France 24: 59. 1912; Annamocarya indochinensis (A. Chevalier) A. Chevalier; Carya integrifoliolata (Kuang) Hjelmqvist; C. tsiangii Chun; Juglandicarya integrifoliolata (Kuang) Hu; Juglans indochinensis A. Chevalier; Rhamphocarya integrifoliolata Kuang.

Trees to 30 m tall. Leaves 30-50 cm; petiole 5-15.5 cm, glabrous; rachis glabrous; leaflets 7 or 9(or 11), peltate scales rare or absent; lateral leaflets with petiolule 2-8 mm, blade long elliptic to elliptic-lanceolate, 12-23 × 4-9 cm, abaxially glabrous except for a few hairs in axils of midvein and secondary veins, base cuneate or obtuse, apex acuminate; terminal petiolule 5-20 mm. Male spikes 13-15 cm; peduncle 3-6 cm. Nuts globose or ovoid-ellipsoid, apex acuminate-beaked, 6-8 × 4-6 cm; husk with prominent, longitudinal ribs or keels; shell without longitudinal ridges, 3-4 mm thick, lacunae absent. Fl. Apr-May, Nov, fr. Aug-Nov.

Forests along riverbanks; 200-700 m. Guangxi, S Guizhou, SE Yunnan [N Vietnam]