小叶葡萄 xiao ye pu tao

Vitis thunbergii Siebold & Zuccarini var. cinerea Gagnepain; V. thunbergii var. taiwaniana F. Y. Lu.

Branchlets terete, with longitudinal ridges, sparsely pubescent with arachnoid tomentum; tendrils unbranched or bifurcate. Leaves simple, 3-lobed or inconspicuously divided; stipules brownish, ovate-lanceolate, ca. 2 × 1 mm, membranous, subglabrate, apex obtuse or acuminate; petiole 1-3 cm, densely pubescent; leaf blade oval, 3-8 × 3-6 cm, abaxially with dense brown and arachnoid tomentum, adaxially densely pubescent or glabrescent, basal veins 5, lateral veins 3 or 4 pairs, veins densely pubescent and sparsely lanate, base subcordate or subtruncate, margin 5-9-toothed on each side, apex acute. Panicle leaf-opposed, small, 3-6 cm, slender, basal branches undeveloped; peduncle 1.5-2 cm, densely pubescent. Pedicels 1.5-2 mm, subglabrate. Buds obovoid-elliptic, 1.5-2 mm, apex rounded. Calyx cupular, glabrous, subentire. Petals calyptrate. Filaments filiform, ca. 1 mm; anthers yellow, oblong, ca. 0.5 mm. Pistil abortive in male flowers. Berry purple-black at maturity, 6-10 mm in diam. Seeds obovoid, apex retuse, chalazal knot elliptic, ventral holes furrowed upward 1/4-1/3 from base. Fl. May-Jun, fr. Jul-Oct.

● Forests, shrublands, hillsides; 200-2800 m. Fujian, Hubei, Hunan, Jiangsu, Jiangxi, Taiwan, Yunnan, Zhejiang.