Cyanea asarifolia, a member of the Campanulaceae (bellflower) family, is a sparingly branched shrub 0.3 to 1 m (1 to 3.3 ft) tall. The heart-shaped leaves are 8.5 to 10.5 cm (3.3 to 4.1 in) long and 7 to 8 cm (2.8 to 3.1 in) wide with leaf stalks 12 to 15 cm (4.7 to 5.9 in) long. Thirty to 40 flowers are clustered on a stalk 25 to 30 mm (1 to 1.2 in) long, each having an individual stalk 7 to 10 mm (0.3 to 0.4 in) in length. The slightly curved flowers are white with purple stripes, 20 to 22 mm (0.8 to 0.9 in) long, and about 3.5 mm (0.1 in) wide with spreading lobes. The five anthers (the pollen-bearing part at the upper end of the stamen of a flower) have tufts of white hairs at the tips. The nearly spherical fruit is a dark purple berry about 1 cm (0.4 in) long.