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 (order Gentianales) but is now placed in the family Buddlejaceae (order Scrophulariales), which includes about 10 genera and more than 150 species. Most species of Buddleia have hairy or scaly leaves and clusters of purple, white, yellow, or orange flowers. Several species are cultivated as garden ornamentals.

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