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FOC | Family List | FOC Vol. 12 | Vitaceae | Vitis

29. Vitis retordii Romanet du Caillaud ex Planchon in A. Candolle & C. Candolle, Monogr. Phan. 5: 613. 1887.

绵毛葡萄 mian mao pu tao

Vitis hekouensis C. L. Li.

Plants polygamo-dioecious. Branchlets terete, with longitudinal ridges, densely brownish villous when young, eventually glabrescent; tendrils bifurcate. Leaves simple; stipules brown, ovate-lanceolate, 3-5 × 2-3 mm, membranous, subglabrate, apex acuminate, caducous; petiole 1.5-9 cm, densely pubescent with brown and arachnoid hairs; leaf blade oval or ovate-elliptic, 6-15 × 4-11 cm, abaxially tomentose with brown and villous hairs, adaxially densely pubescent, basal veins 5, lateral veins 4 or 5 pairs, veinlets tomentose and raised abaxially, raised and pubescent adaxially, base deeply cordate, notch with an acute angle, rarely overlapping, margin 19-43-toothed on each side, teeth sharp. Panicle leaf-opposed, loose, 6-10 cm, basal branches well developed; peduncle 1.2-2.5 cm, usually brown tomentose. Pedicel 1-1.5 mm, glabrous. Buds obelliptic, 1.2-1.5 mm, apex rounded. Calyx cupular, ca. 1.5 mm, glabrous, subentire. Filaments filiform, 1-1.2 mm; anthers yellow, oblong, ca. 0.5 mm. Ovary oval; style short. Berry globose, ca. 8 mm in diam. Seeds obelliptic, apex rounded, chalazal knot ovate-elliptic, ventral holes furrowed upward ca. 1/3 from base. Fl. May, fr. Jun-Jul.

Forests in valleys, shrublands, hillsides; 200-1000 m. Guangdong, Guangxi, Guizhou, Hainan [Laos, Vietnam].


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