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

15. Mallotus metcalfianus Croizat, J. Arnold Arbor. 21: 501. 1940.

褐毛野桐 he mao ye tong

Small trees 5-10 m tall. Branchlets densely ferruginous stellate-tomentose with candelabra-like hair. Stipules triangular, 3-5 mm; petiole 5-10 cm; leaf blade ovate or triangular-ovate, 10-25 × 9-20 cm, papery, adaxially glabrescent, abaxially ferruginous tomentulose, base broadly cuneate or obtuse, slightly peltate, with 2-4 basal glands, margin repand-denticulate or coarsely serrate, apex acute or acuminate; basal veins 5-7. Male inflorescences branched, 10-25 cm, tomentulose; bracts subulate, ca. 3 mm. Male flowers 2-5-fascicled; pedicel 5-7 mm; calyx lobes 4 or 5, long ovate, ca. 3 mm, tomentulose; stamens 50-60. Female inflorescences with few or no branches; infructescence 15-25 cm, cylindric, brown tomentose. Female flowers: pedicel 2-3 mm; calyx lobes 4, triangular, ca. 3 mm, tomentulose; ovary 3-locular, stellate-pubescent; style 3-5 mm, plumose. Capsule subglobose, ca. 1.7 cm in diam., pubescent and densely stellate-pubescent and softly spiny, 6-8 mm. Seeds ovoid, ca. 5 mm, brown. Fl. Jul-Aug, fr. Sep-Dec.

Mountain valleys, forests; 100-1900 m. S Guangxi, S Yunnan [Vietnam].


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