Description from Flora of China
Sloanea chingiana Hu var. integrifolia (Chun & F. C. How) Hung T. Chang.
Trees. Branchlets densely dark brown tomentose. Petiole 1-5 cm, densely tomentose; leaf blade ovate to elliptic-obovate or oblong, 6.5-15 × 2.5-7 cm, leathery, abaxially puberulent on veins, adaxially glabrous, lateral veins and veinlets prominently raised abaxially, inconspicuous or slightly impressed adaxially, base cuneate, nearly rounded, or slightly cordate, margin entire, apex acute or acuminate. Inflorescences and flowers unknown. Fruiting pedicel 1.5-2 cm; capsule axillary, solitary, ovoid-globose, 2.5-3 cm in diam.; valves adaxially purple, ca. 2 cm, with dense prickles to 2.5 mm. Seed usually 1 per locule, ellipsoid-ovoid, ca. 6 × 4-5 mm. Fl. and fr. unknown.
?Guangdong, Guangxi, Hainan [N Vietnam].