a climbing shrub of the pea family, with hanging clusters of fragrant flowers, typically pale bluish-lilac in colour. Native to eastern Asia and North America, ornamental varieties are widely grown on walls and pergolas.
Genus Wisteria, family Leguminosae: several species
modern Latin, named after Caspar Wistar (or Wister) (1761–1818), American anatomist
wisteria in other Oxford dictionaries
Definition of wisteria in the US English dictionary