Description from Flora of China
Goniothalamus lii X. L. Hou & Y. M. Shui.
Trees to 5 m tall. Bark brown. Branches pale brown, glabrescent. Petiole 5-13 mm, drying blackish, slightly rugose; leaf blade oblong-elliptic, oblong, or sometimes obovate-oblong, 7-23 × 2.8-7 cm, thinly papery, glabrous, secondary veins 7-15(-21) on each side of midvein and adaxially depressed to slightly raised, base broadly cuneate, apex acute to acuminate. Inflorescences axillary, sometimes from leafless nodes, 1- or 2-flowered; peduncle 1-2 mm; bracts 2-4, ovate, 1-2 mm. Pedicel (2-)4-9(-13) mm, sparsely pubescent. Sepals broadly ovate-triangular, 5-8 × 4-8 mm, outside puberulent, inside glabrous. Petals reddish yellow; outer petals broadly lanceolate, 2-2.5 × 0.7-1.3 cm, rust-colored pubescent, inside densely rust-colored tomentulose; inner petals obovate to oblong-ovate, 7-11 × 4-5 mm, connate above middle, pubescent, base attenuate to a ca. 2 mm claw. Stamens many, (1.5-)2.2-3 mm; connectives apically truncate. Carpels ca. 14, ca. 3 mm, puberulent or glabrous; ovules 2 per carpel, basal; styles ca. 2 × as long as ovaries. Monocarp stipes ca. 4 mm; monocarps 5-16, ellipsoid, 1.8-2.5 × 0.8-0.9 cm, glabrous, minutely punctate, apex shortly cuspidate. Seeds (1 or)2 per monocarp. Fl. Apr-Jun, fr. Nov.
● Forested slopes; 100-800 m. S Yunnan.