Description from Flora of China
Shrubs to small trees, evergreen. Leaves opposite, simple, petiolate; leaf blade entire or serrate, usually glandular dotted. Inflorescences cymose, fascicled in leaf axils or in very short and axillary or terminal panicles; bracts 2, united at base, usually ciliate. Flowers bisexual, usually becoming unisexual and plants dioecious or androdioecious. Calyx campanulate, 4-lobed. Corolla usually white or yellowish, campanulate, cylindric, or urceolate, lobed, parted, or divided almost to base; lobes 4, imbricate in bud. Stamens 2(-4), mostly attached to upper half of corolla tube; connective usually minutely mucronate, elongated, or projecting. Ovules 2 in each locule, pendulous. Stigma capitate or 2-cleft. Abortive pistil subulate or conical. Fruit a drupe; endocarp hard or bony; endosperm fleshy; radicle erect.
About 30 species: SE Asia and America; 23 species in China.
Two species have been described from Taiwan of which no material has been seen in the preparation of this account: Osmanthus acutus Masamune & K. Mori (O. heterophyllus var.
acutus (Masamune & K. Mori) T. S. Liu & J. C. Liao) and O. kaoi (T. S. Liu & J. C. Liao) S. Y. Lu (O. lanceolatus var. kaoi T. S. Liu & J. C. Liao). Osmanthus dinggyensis P. Y. Bai,
described from Xizang, is Ilex hookeri King.
The flowers are fragrant in all species; Osmanthus fragrans is a well-known spice plant.
经济区 Economic Plants Area, 中心区 Central Area, 分类区 Classified Area, 药用植物园 Medicinal Plants Area, 木本花卉区 Woody Accrescent Area, 濒危园 Endangered Plants Garden, 标本园 Specimens Garden, 引种苗圃 Introducing Plants Nursery, 蒲岗保护区 Pu Gang Reserve