Olea tsoongii (Merr.) P. S. Green

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

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.

Guangdong, Guangxi, Guizhou, Hainan, Sichuan, Yunnan

* Forests or thickets; 800-2300 m.

Ligustrum tsoongii Merrill, Philipp. J. Sci. 21: 506. 1922; Olea brevipes L. C. Chia; O. yuennanensis Handel-Mazzetti; O. yuennanensis var. xeromorpha Handel-Mazzetti.

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Olea tsoongii is a plant of the genus Olea, found in Guangdong, Guangxi, Guizhou, Hainan, Sichuan, and Yunnan provinces of China. It grows as shrubs or trees 3–15 meters in height, with its seed oil used in food and industry.