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FOC | Family List | FOC Vol. 11 | Euphorbiaceae | Erismanthus

1. Erismanthus sinensis Oliver, Hooker’s Icon. Pl. 15: t. 1578. 1887.

轴花木 zhou hua mu

Erismanthus indochinensis Gagnepain.

Trees or shrubs, 3-11 m tall; young stems purple-red, pilose, glabrescent. Stipules oblong, [3-]6-8 mm, appressed pubescent; petiole [1.5-]3-5 mm, usually red; leaf blade oblong, elliptic, or oblong-lanceolate, [2.3-]5-18 × [0.8-]2-7 cm, leathery, base shallowly obliquely cordate, margin sparsely serrulate, apex bluntly acuminate; lateral veins 8-10[-12]. Inflorescences ca. 1 cm; peduncle ca. 2.5 mm; bracts ovate, 1.5-2 mm, pubescent. Male flowers many and dense; pedicels delicate, 20 mm or more, pilose; sepals 5, elliptic, ca. 1 mm, pubescent; petals 5, oblanceolate, small, pinkish to light purple; stamens 12-15; anthers ovoid; pistillode clavate, ca. 3 mm, pilose. Female flowers green, ca. 1 cm in diam., solitary at base, sometimes solitary, axillary; pedicel 14-26 mm; sepals 5, oblong, unequal, 2-3 mm, accrescent to 3.5-5 mm, exterior puberulent, margins sparsely glandular; ovary globose, densely yellowish appressed-hispidulous; styles 3, ca. 1 cm, connate at near base, bifid at upper part. Fruiting pedicels 1.5-2 cm; capsules subglobose, 6.5-13 × 4.5-7 mm, sparsely hispidulous. Seeds subglobose, ca. 5 mm in diam., with brown spot-stripes. Fl. and fr. almost throughout year.

Evergreen forests; 100-400 m. SW Hainan [Cambodia, Laos, Thailand, Vietnam].


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