吕宋毛蕊木 lü song mao rui mu

Urandra luzoniensis Merrill, Philipp. J. Sci., C, 3: 242. 1908; Stemonurus luzoniensis (Merrill) R. A. Howard.

Trees. Branchlets terete, glabrous. Petiole 1-1.5 cm, stout, glabrescent, strongly grooved abaxially; leaf blade obovate-elliptic, 7-9 × 5-6.5 cm, glabrous, lateral veins 3 or 4 pairs, veinlets obsolete, base obtuse-rounded or cuneate, apex obtuse or rounded. Inflorescences axillary, with 3-5 cymes on a common peduncle, densely pubescent. Calyx cupular, minutely 5-toothed, glabrescent. Petals 5, whitish, oblong, 4-5 mm, glabrous. Stamens 5; filaments flattened, with long hairs below anthers and on connective. Ovary cylindric, glabrous; stigma discoid, sessile. Drupe oblong, ca. 2 cm × 8-10 mm, glabrous, with many longitudinal ridges. Fl. and fr. Feb.

Taiwan (Huoshao Dao, Lan Yu) [Philippines].