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

1. Trevia nudiflora Linnaeus, Sp. Pl. 2: 1193. 1753.

滑桃树 hua tao shu

Mallotus cardiophyllus Merrill; M. nudiflorus (Linnaeus) Kulju & Welzen; M. polycarpus (Bentham) Kulju & Welzen; Pseudotrewia macrophylla Miquel; Rottlera hoperiana Blume ex Müller Argoviensis; R. indica Willdenow; R. operiana Blume ex Baillon; Trevia integerrima Stokes; T. macrophylla Roth; T. macrostachya Klotzsch; T. nudiflora var. dentata Susila & N. P. Balakrishnan; T. nudiflora var. polycarpa (Bentham) Susila & N. P. Balakrishnan; T. nudiflora var. tomentosa Susila & N. P. Balakrishnan; T. polycarpa Bentham.

Trees, up to 25 m tall, deciduous; branchlets tomentose or villous. Stipules lanceolate, ca. 5 mm, deciduous; petiole 5-12 cm; leaf blade ovate or oblong-ovate, 10-15 × 8-14 cm, papery, abaxially villous, adaxially pilose along veins, base cordate, rarely broadly rounded, with 2 or 4 glands, apex acu- minate. Male inflorescences 6-25(-30) cm, densely villous; bracts ovate-lanceolate, ca. 3 mm. Female inflorescence 1.5-11 cm, often 1-flowered; peduncle to 3 cm, pilose. Female flowers: pedicel 1-9 mm; calyx 5-6 mm; ovary tomentulose; styles often 3, basally connate, 2-2.5 cm. Drupe globose, 2-4-locular, [1-]2-3.5 cm in diam., glabrous [or hairy]; exocarp thick and fleshy [or very thin]. Fl. Jan-Apr, fr. Jun-Dec.

River valleys, by forest streams; 100-800 m. SE Guangxi, Hainan, S Yunnan [Bhutan, Cambodia, India, Indonesia, Laos, Malaysia, Myanmar, Nepal, Philippines, Sri Lanka, Thailand, Vietnam].

Balakrishnan and Chakrabarty (Fam. Euphorbiaceae India, 155- 156. 2007) recognized four varieties within India, with Trevia nudiflora var. nudiflora extending ± throughout the range of the species, including China, and var. tomentosa Susila & N. P. Balakrishnan extending to Myanmar and Indochina and possibly to China. The other two varieties are endemic to central and S India.


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