Rosa filipes

Rosa filipes is a species of flowering plant in the rose family Rosaceae, native to western China, in Gansu, Shaanxi, Sichuan, Xizang, and Yunnan. It is a deciduous climbing shrub, growing to 3–5 m, rarely up to 9 m tall. The leaves are pinnate, 8–14 cm long, with 5-7 leaflets. The flowers are white, 2–2.5 cm diameter with five petals, produced in large 15–30 cm diameter corymbs of up to 100 flowers. The fruit is a red 8–15 mm diameter hip. The plant is very vigorous, with stiff upright stems protected by large and frequent thorns. They allow growing stems to anchor on to tree branches and climb to a great height....read more on Wikipedia.