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FOC | Family List | FOC Vol. 15 | Styracaceae | Styrax

23. Styrax hainanensis How, Fl. Hainan. 3: 576. 1974.

厚叶安息香 hou ye an xi xiang

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

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.

* Mixed forests; 200--500 m. Hainan (Yaxian Xian, Lingshui Xian).


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