Hibiscus arnottianus ssp. immaculatus, a member of the Malvaceae (mallow, hibiscus) family, is a tree up to 3 m (10 ft) tall with alternate, oval, toothed leaves measuring 5 to 7 cm (2 to 2.8 in) long and 4 to 6.5 cm (1.6 to 2.6 in) wide. Six lance-shaped bracts (leaf-like structures), 5 to 8 mm (0...