A petunia is a type of garden plant with pink, white, or purple flowers shaped like short, wide cones.
petunia in British English
(pɪˈtjuːnɪə)
noun
any solanaceous plant of the tropical American genus Petunia: cultivated for their white, pink, blue, or purple funnel-shaped flowers
Word origin
C19: via New Latin from obsolete French petun variety of tobacco, from Tupi petyn
petunia in American English
(pəˈtunjə; pəˈtjunjə; pəˈtuniə; pəˈtjuniə)
noun
any of a genus (Petunia) of plants of the nightshade family, with funnel-shaped flowers of various colors and patterns, esp. a common garden annual (P. hybrida)