Hibiscus waimeae subsp. hannerae, a member of the Malvaceae (mallow, hibiscus) family, is a gray-barked tree, 6 to 10 m (20 to 33 ft) tall, with star-shaped hairs densely covering its leaf and flower stalks and branchlets. The circular to broadly egg-shaped leaves are 5 to 18 cm (2 to 7 in) long...