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

7. Styrax perkinsiae Rehder in Sargent, Pl. Wilson. 1: 292. 1912.

瓦山安息香 wa shan an xi xiang

Styrax shweliensis W. W. Smith.

Trees or shrubs, 2--6(--10) m tall. Trunk to 25 cm d.b.h. Branchlets terete, purple-brown. Leaves alternate; petiole 3--5 mm; leaf blade ovate, ovate-elliptic, or elliptic-lanceolate, 5--8 X 3--5 cm, papery, abaxially densely pale gray stellate tomentose and with sparse yellow-brown stellate hairs on veins, adaxially rugose and with simple or 2- or 3-radiate to stellate hairs or glabrescent, base rounded to broadly cuneate, margin entire or serrulate, apex shortly acuminate to acute, secondary veins 5 or 6 pairs, tertiary veins subparallel. Racemes terminal, 3- or 4-flowered, 4--6 cm; bracteoles subulate. Pedicel 5--9 mm. Flowers ca. 2 cm. Calyx ca. 5 mm, densely yellow-brown to chestnut brown tomentose; teeth 5, irregularly subulate, ca. 1.5 mm. Corolla tube ca. 3 mm; lobes elliptic to obovate-elliptic, 14--16 X 5--6 mm. Filaments white stellate villose. Fruit ovoid, ca. 1.2 X 1 cm, apex shortly pointed. Seeds 1 or 2, brown, smooth. Fl. Mar-Apr, fr. Jul-Aug.

* Moist slopes in evergreen broadleaved forests; 500--2500 m. S Sichuan, N Yunnan.


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