细柄蕈树 xi bing tan shu

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.

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

The bark resin is used in medicine and perfumery.