贴生白粉藤 tie sheng bai fen teng

Vitis adnata (Roxburgh) Wallich.

Lianas, woody. Branchlets terete, with longitudinal ridges, with dense rubiginous curly hairs; tendrils bifurcate. Leaves simple, both surfaces of same color when dry; stipules ovate-elliptic, 1.5-2 × 1-1.5 mm, apex obtuse; petiole 1.5-7 cm, densely ferruginous pilose; leaf blade cordate-oval, 6-11.5 × 5.5-8.5 cm, abaxially with dense rubiginous curly hairs, adaxially pubescent when young, then hairs falling off and with some hairs only on veins, basal veins 3-5, lateral veins 5 or 6 pairs, veinlets conspicuous abaxially, base cordate, notch rounded or obtuse and angular, margin with 35-40 sharp teeth on each side, apex mucronate, rarely acute. Inflorescence umbelliform, leaf-opposed; peduncle 1.5-4.5 cm, with dense rubiginous curly hairs. Pedicel 1.5-2.5 mm, pubescent. Buds oval, 1.5-2 mm, apex rounded or obtuse. Calyx undulately lobed, pubescent. Petals oval, 1.3-1.7 mm, pubescent. Ovary sparsely pilose; style conical; stigma expanded. Berry 6-7 × 5-6 mm, 1-seeded. Seed surface with sharp ridges, ventral holes short and narrow. Fl. Jun-Jul, fr. Aug-Sep. 2n = 22.

Forests, shrublands; 500-1600 m. S Yunnan [Cambodia, India, Laos, Myanmar, Nepal, Thailand, Vietnam].