Trailing Bellflower is a perennial herb with bright blue-purple flowers with a prominent sepal tube covered with black hairs. Flowers are up to 3 cm across, petals obovate, spreading, flowers hairy in the throat. Sepal tube is 1.5-2 cm long, lobed to one-third. Leaves are 1-2.5 cm long, deeply lobed. The plant has several stems, 10-25 cm long. Trailing Bellflower is found in the Himalayas, from Himachal Pradesh to SW China, at altitudes of 3300-4500 m. Flowering: July-September.