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FOC | Family List | FOC Vol. 12 | Sterculiaceae | Sterculia

12. Sterculia tonkinensis Aug. Candolle, Bull. Herb. Boissier, sér. 2. 3: 368. 1903.

北越苹婆 bei yue ping po

Small trees or shrubs. Branchlets sparsely brown stellate hairy, glabrescent. Leaves simple; stipules triangular, 5-10 mm; petiole 1-2 cm, hairy; leaf blade elliptic, 11-21 × 5.5-10 cm, thinly leathery, abaxially densely yellowish brown villous, adaxially glabrous and glossy, lateral veins 6-9 on each side of midrib, curved upward, interconnected submarginally, base rounded, apex shortly acuminate or obtuse. Inflorescence paniculate, apically clustered, 8-9 cm, hairy. Flowers stellate. Pedicel linear, ca. 1 cm. Epicalyx lobes triangular, 1-3 mm. Calyx red, ca. 1 cm, tube ca. 2 mm, abaxially stellate pubescent, adaxially glabrous but spotted, lobes lanceolate, ca. 8 × 2-3 mm, stellately spreading, apex long acuminate. Male flowers: androgynophore glabrous. Female flowers: ovary globose, hairy. Style reflexed, shorter than ovary, hairy; stigma short and 5-divided. Follicle pendulous, red, spindle-shaped, ca. 6 × 1-1.5 cm, 3-6-seeded, densely villous abaxially with yellow-brown hairs, tapering apically and basally. Seeds black-brown or black, ellipsoid, ca. 1 cm, glossy. Fl. Apr.

Forests. SE Yunnan (Hekou) [Vietnam].


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