Vitis piasezkii Maxim.

Branchlets terete, with longitudinal ridges; tendrils bifurcate, leaf-opposed. Leaves highly variable in shape, 3-5-foliolate, or mixed with simple and unlobed, or simple and variously lobed leaves; stipules caducous; petiole 2.5-6 cm; leaf and leaflet blades adaxially nearly glabrous, or pilose and lanate, basal veins 5, lateral veins 4-6 pairs, pubescent to sometimes slightly so or nearly glabrescent, veinlets slightly raised abaxially, inconspicuous adaxially; central leaflet rhombic-elliptic or lanceolate, 5-12 × 2.5-5 cm, base cuneate, apex acute or mucronulate; lateral leaflets ovate-elliptic or ovate-lanceolate, 3.5-9 × 3-5 cm, base asymmetric, subrounded or broadly truncate, margin with 5-20 sharp teeth on each side, apex acute or acuminate; simple leaves oval or ovate-elliptic, 5-12 × 4-8 cm, base cordate, notch obtuse, margin serrate with 21-31 teeth, apex acute. Panicle leaf-opposed, loose, 5-12 cm, basal branches well developed; peduncle 1-2.5 cm. Pedicel 1.5-2.5 mm, glabrous. Buds obovoid, 1-2.5 mm, apex rounded. Calyx glabrous, margin undulate. Filaments filiform, 0.7-1 mm. Ovary oval; style short; stigma expanded. Berry black-purple, globose, 0.8-1.3 cm in diam., glaucous. Seeds obovoid, apex retuse, chalazal knot oval, ventral holes furrowed upward 1/4 from base. Fl. Jun, fr. Jul-Sep.

Chongqing, Gansu, Hebei, Henan, Shaanxi, Shanxi, Sichuan, Zhejiang.

● Forests, forest margins, shrublands, hillsides, riversides, usually in sunny and disturbed areas; 900-2100 m.

Parthenocissus sinensis Diels & Gilg; Vitis baihensis P. C. He; V. pagnuccii Romanet du Caillaud; V. piasezkii var. baroniana Diels & Gilg; V. piasezkii var. pagnuccii (Romanet du Caillaud) Rehder; V. tiubaensis X. L. Niu.

Vitis piasezkii là một loài thực vật hai lá mầm trong họ Nho. Loài này được Maxim. miêu tả khoa học đầu tiên năm 1881.

变叶葡萄（学名：Vitis piasezkii）是葡萄科葡萄属的植物，是中国的特有植物。分布在中国大陆的陕西、浙江、四川、山西、甘肃、河南等地，生长于海拔1,000米至2,000米的地区，多生长在河边灌丛中、山坡和林中，目前尚未由人工引种栽培。