Bird-of-paradise flower, (Strelitzia reginae)

Other species
Two other members of the genus Strelitzia are commonly known as bird-of-paradise flowers. White bird-of-paradise (Strelitzia alba) and giant bird-of-paradise (S. nicolai) both feature white- to cream-coloured flowers and are sometimes cultivated.

The desert bird-of-paradise, or bird-of-paradise bush (Erythrostemon gilliesii), is an unrelated shrub of the pea family (Fabaceae) native to South America and naturalized elsewhere. The dwarf poinciana (Caesalpinia pulcherrima), a showy tree grown throughout the American tropics and subtropics, is sometimes known as the Mexican bird-of-paradise or red bird-of-paradise.