10. Olea tsoongii (Merrill) P. S. Green, Kew Bull. 50: 338. 1995.
云南木犀榄 yun nan mu xi lan
Ligustrum tsoongii Merrill, Philipp. J. Sci. 21: 506. 1922; Olea brevipes L. C. Chia; O. yuennanensis Handel-Mazzetti; O. yuennanensis var. xeromorpha Handel-Mazzetti.
Shrubs or trees 3-15 m, polygamodioecious. Branchlets terete, finely pubescent to glabrescent. Petiole 3-10 mm, pubescent to finely puberulent; leaf blade oblanceolate, obovate-elliptic, elliptic, or elliptic-oblong, (3-)4-9(-14) × (1.5-) 2-3(-6) cm, leathery, glabrous or puberulent along midrib especially near petiole, base attenuate, margin entire or finely serrate, teeth sharp and ca. 0.5 mm, apex acute to obtuse or rounded, often slightly acuminate; primary veins 5-7 on each side of midrib, often obscure. Inflorescences axillary, paniculate, 2-10 cm, puberulent to glabrescent. Flowers usually in subumbellate groups, white, yellowish, or red. Staminate flowers: pedicel 1-5 mm, slender, glabrous; calyx 1-1.5 mm; corolla 2-3.5(-4.5) mm, lobes broadly deltate, 0.5-1.2 mm. Bisexual flowers: pedicel 0-2 mm, stout; calyx as in staminate flowers; corolla 2-4.5 mm, lobes 0.5-1.5 mm. Drupe purple-black, ovoid-globose, long ellipsoid, or subglobose, 6-13 × 3-9 mm. Fl. Feb-Nov, fr. May-Dec.
* Forests or thickets; 800-2300 m. Guangdong, Guangxi, Guizhou, Hainan, Sichuan, Yunnan
The seed oil is used in food and industry.
Olea dioica Roxburgh, which does not occur in China, was recognized in FRPS on the basis of misidentified plants of O. tsoongii