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

10. Styrax supaii Chun & F. Chun, Sunyatsenia. 3: 34. 1935.

裂叶安息香 lie ye an xi xiang

Shrubs or small trees, 2--6 m tall. Trunk to 10 cm d.b.h., bark brown, exfoliating. Branchlets terete, brown to dark brown stellate pubescent and sparsely villose. Leaves alternate but subopposite at base of branchlets; petiole 2--5 mm; leaf blade ovate to obovate, 4--8 X 2--5 mm, papery to leathery, abaxially sparsely stellate pubescent, adaxially with simple or with 2- or 3-radiate to stellate villose hairs when young, base rounded to broadly cuneate, margin coarsely serrate or 3--5 deeply dentate or lobed but opposite blades usually entire, apex acute to acuminate, secondary veins 3--5 pairs, tertiary veins reticulate and conspicuously raised. Racemes terminal, 2- or 3-flowered, 3--4 cm. Pedicel slender, 1--1.5 cm. Flowers 1.5--1.8 cm. Calyx obconical, ca. 12 X 4 mm, membranous; teeth lanceolate, 4--5 mm. Corolla tube ca. 3 mm; lobes elliptic-lanceolate, 1.4--1.5 X 0.4--0.5 cm. Stamens alternately differing in length; filaments basally densely white pubescent. Fruit ovoid, 10--12 X 7--9 mm, longitudinally rugose, densely white villose, apex apiculate to shortly rostrate. Seeds brown, ovoid, smooth. Fl. Apr-May, fr. Jun-Sep.

* Forest edges and thickets; 300--900 m. N Guangdong, S Hunan.


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