Vitis retordii Romanet du Caill. ex Planch.

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.

Guangdong, Guangxi, Guizhou, Hainan [Laos, Vietnam].

Forests in valleys, shrublands, hillsides; 200-1000 m.

Vitis hekouensis C. L. Li.

Vitis retordii is a species of vining plant native to Asia. The plant grows at an altitudes of 200–1,000 m (660–3,280 ft) and bears large grapes. It is also known as the woolly grape.

Vitis retordii là một loài thực vật hai lá mầm trong họ Nho. Loài này được Rom. Caill. ex Planch. miêu tả khoa học đầu tiên năm 1887.

绵毛葡萄（学名：Vitis retordii）为葡萄科葡萄属的植物。分布于中国大陆的广东、贵州、广西、海南等地，生长于海拔200米至1,000米的地区，多生于沟谷疏林、山坡及灌丛中，目前尚未由人工引种栽培。