A genus of solanaceous herbs with funnelform or salver-shaped corollas. Two species are common in cultivation, Petunia violacera, with reddish purple flowers, and P. nyctaginiflora, with white flowers. There are also many hybrid forms with variegated corollas.
- Any of various widely cultivated South American plants of the genus Petunia, having alternate, entire leaves and funnel-shaped flowers in colors from white to purple.
- A moderate to dark purple.