butterfly bush

noun

1. any tropical shrub belonging to the genus Buddleia, of the logania family, having clusters of showy lilac, white, or yellow flowers.

butterfly bush

noun

1. See buddleia
   another name for buddleia

Word History and Origins

Origin of butterfly bush¹

First recorded in 1930–35

Example Sentences

Cities hosted many non-native species, too, such as begonias and butterfly bush.

From Science News For Students