Styrax hainanensis How

Trees 8--10 m tall. Branchlets subterete, densely dark brown to red-brown stellate pubescent. Leaves alternate; petiole 2--3 cm; leaf blade ovate, broadly ovate, or broadly elliptic, 7--13 X 4--9 cm, thickly leathery, base rounded to broadly cuneate, margin entire or inconspicuously serrate, apex shortly acuminate, secondary veins 5--7 pairs, tertiary veins subparallel. Racemes axillary, 2--8-flowered, 3--4 cm. Pedicel ca. 5 mm. Flowers 1.3--1.6 cm. Calyx ca. 6 X 7 mm, truncate to slightly undulate, densely dark brown stellate tomentose. Corolla tube ca. 4 mm; lobes oblong-lanceolate, 10--12 X 3--4 mm. Filaments expanded, densely stellate pubescent. Fruit subglobose to globose, 2--2.2 cm in diam., densely gray-yellow stellate pubescent, irregularly 3-valvate dehiscent. Seeds chestnut brown, smooth, glabrous. Fl. Mar-Apr, fr. Aug-Oct.

Hainan (Yaxian Xian, Lingshui Xian).

* Mixed forests; 200--500 m.

Styrax pachyphyllum Merrill & Chun (1935), not Pilger (1901).

Styrax hainanensis là một loài thực vật có hoa trong họ Bồ đề. Loài này được F.C. How miêu tả khoa học đầu tiên năm 1974.

厚叶安息香（学名：Styrax hainanensis）为安息香科安息香属下的一个种。