Cyanea humboldtiana, a member of the Campanulaceae (bellflower) family, is an unbranched shrub with woody stems 1 to 2 m (3.2 to 6.6 ft) tall. The leaves are inversely egg-shaped to broadly elliptic, 18 to 45 cm (7 to 18 in) long and 7 to 16 cm (2.8 to 6.3 in) wide. The leaf edges are hardened and...