Bristled Woodrose is a large climber, 3-5 m long. Old stems are thick, hairless, with rough bark. Young stems and branches are bristly-hairy, with white latex. Alternately arranged ovate leaves, 7-15 cm long, have a heart-shaped base with rounded lobes, and 3-8 cm long stalk. Flower occur in dense hairy corymb-like cymes. The stout, hairy peduncle is 5-20 cm long. Bell-shaped, rose-purple flowers are 2-5 cm long, The flower tube swollen beyond the sepals. Five stamens, do not protrude out. Fruit is 2 cm, red, enclose in a hairy sepal covering. Flowering: November-December.