Buxus hainanensis Merr.

Shrubs, 1-2 m tall; branchlets terete, ribbed; young branches subterete, ca. 1 mm in diam., longitudinally channeled laterally, sparsely puberulent in channels; internode 2-6 cm. Petiole ca. 1 mm; leaf blade elliptic-oblong or oblong-lanceolate, leaves on old lower branches small, 5.5-7 × 1.8-2.3 cm, on young upper branches large, 8.5-12 × 3-3.8 cm, thinly coriaceous or chartaceous, both surfaces glabrous, shining, base cuneate, margin revolute, apex acuminate, obtuse, or with mucronulate tip; midrib elevated on both surfaces, lateral veins 18-20 pairs, 2-4 mm between veins, veinlets dense. Flowers not seen. Capsule axillary or terminal, young fruit globose; persistent style ca. 5 mm; persistent tepals 2-2.5 mm; carpopodium ca. 4 mm; persistent bracts lanceolate, subglabrous. Fr. Sep-Dec.

● Streamsides in forests, damp areas. S Hainan (Sanya).

海南黄杨（学名：Buxus hainanensis）为黄杨科黄杨属的植物，是中国的特有植物。分布在中国大陆的广东等地，多生长于生溪边及湿润的林下，目前尚未由人工引种栽培。