BUTTERFLY BUSH

any of more than 100 species of plants constituting the genus Buddleia, native to tropical and subtropical areas of the world. The genus was formerly included in the family Loganiaceae of the order Gentianales, but many authorities now put it in the family Buddlejaceae of the order Scrophulariales, a family containing about 10 genera and more than 150 species. Most species of Buddleia have hairy or scurfy leaves and clusters of purple, white, yellow, or orange flowers. Several species are cultivated as garden ornamentals.