Altingia gracilipes var. serrulata Tutcher; A. gracilipes f. uniflora H. T. Chang.

Trees 12–20 m tall; young branches glabrescent, older growth lenticellate; buds ovoid, puberulent. Stipules absent; petiole slender, 1–3 cm, glabrous; leaf blade ovate-lanceolate, 4–7 × 1.5–2.5 cm, leathery, abaxially glabrous, base obtuse or narrowly rounded, margin usually entire, less often serrate, apex caudate-acuminate; lateral veins 5 or 6 on each side, abaxially somewhat prominent and glabrous, adaxially indistinct. Male inflorescences globose, 0.5–0.6 cm in diam., usually several arranged in a panicle; bracts 4 or 5, ovate-lanceolate, ca. 8 mm, membranous, brown-pubescent. Female inflorescences solitary or arranged in raceme, 5–6-flowered; peduncle 2–3 cm, pubescent. Male flowers: stamens sessile; anthers red, obovoid, ca. 1.5 mm. Female flowers: staminodes scalelike; styles ca. 2.5 mm, apex recurved. Infructescences obconical, 1.5–2 cm wide, base cuneate. Seeds brown, angular. Fl. Apr–Jun, fr. Jul–Sep.

The bark resin is used in medicine and perfumery.

Evergreen forests; 400--1000 m. Fujian, E Guangdong, Hainan, S Zhejiang.