wisteria

or wistaria

Any of the twining, usually woody vines that make up the genus Wisteria, of the pea family (see legume), native mostly to Asia and North America. The leaves are pinnately compound (feathery). They are widely cultivated for their attractive spreading growth and beautiful, profuse flowers (blue, purple, rose, or white), which grow in large, drooping clusters. American wisteria (W. frutescens) and Kentucky wisteria (W. macrostachya) are native to the U.S.

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