Definition of ruellia in English:

ruellia

noun

  • Any of numerous flowering plants comprising the genus Ruellia (family Acanthaceae), chiefly native to tropical regions of Asia and the Americas but commonly cultivated elsewhere as ornamentals for their showy funnel-shaped flowers. Also (in form Ruellia): the genus itself.

Origin

Mid 18th century. From scientific Latin Ruellia from the name of Jean Ruel, French botanist + scientific Latin -ia.

Pronunciation

ruellia

/ruːˈɛlɪə/