Mastixia caudatilimba C.Y.Wu ex Soong

Trees, evergreen, to 23 m tall. Branches opposite, dark brown, terete, glabrous or subglabrous; young branches slender, ridged. Leaves opposite; leaf blade elliptic, broadly elliptic, or oblong, 8–13 × 2.5–6 cm, leathery, abaxially glabrous, veins 6 or 7, ascending shortly, ending at margin, base somewhat rounded or broadly cuneate, slightly decurrent and oblique, margin entire or slightly undulate, slightly revolute, apex caudate. Inflorescences panicles, terminal, 5–6 cm, loosely flowered, densely pubescent; bracteoles narrowly triangular. Flowers not observed (floral characters taken from fruit), 4-merous. Calyx lobes 4. Disk circular, slightly 4-lobed, with scars of 4 stamens. Style ca. 2 mm. Fruit dark brown after drying, oblong, ca. 2 cm, ca. 9 mm in diam., calyx and style persistent. Fl. buds Mar, fr. Oct–Dec.

It grows between 1300-1800 m altitude in Yunnan, China. It grows in subtropical evergreen broadleaved forest.

The fruit are eaten raw or boiled.