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

1. Aporosa villosa (Lindley) Baillon, Étude Euphorb. 645. 1858.

毛银柴 mao yin chai

Scepa villosa Lindley, Nat. Syst. Bot., ed. 2, 441. 1836; Aporosa dioica (Roxburgh) Müller Argoviensis var. yunnanensis (Pax & K. Hoffmann) H. S. Kiu; A. glabrifolia Kurz; A. microcalyx (Hasskarl) Hasskarl var. yunnanensis Pax & K. Hoffmann.

Shrubs or treelets 2-7 m tall, densely tomentose or pubescent throughout, but leaves sometimes glabrescent, especially adaxially. Stipules obliquely ovate; petiole 1-2 cm, 2-glandular at apex; leaf blade mostly broadly ovate or broadly elliptic, sometimes rotund to oblong-ovate, 8-13 × 4.5-8 cm, leathery, base often truncate or cordate, sometimes obtuse, margin entire or sparsely repand-dentate, apex rounded or obtuse; lateral veins 6-8 pairs, prominent on both surfaces. Male flowers axillary in 1-2 cm spikes; bracts semiorbicular, 2-3 mm; sepals 3-6, ovate-triangular or ovate; stamens 2 or 3. Female flowers axillary in 2-7 mm long spikes; bracts narrower than male ones; sepals 3-6, ovate-triangular, apex acute; ovary ovoid, bilocular. Capsules ellipsoid, ca. 1 cm, shortly rostrate at apex, 1-seeded. Seeds elliptic, ca. 9 mm. Fl. and fr. almost throughout year.

Montane dense forests, valley scrub; 100-1500 m. Guangdong, Guangxi, Hainan, Yunnan [Cambodia, India, Laos, Myanmar, Thailand, Vietnam].


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