any climbing shrub belonging to the genus Wisteria, of the legume family, having showy, pendent clusters of blue-violet, white, purple, or rose flowers.
wis·ter·i·a (wĭ-stîr'ē-ə) n. Any of several climbing woody vines of the genus Wisteria in the pea family, having pinnately compound leaves and drooping racemes of showy purplish or white flowers.
[New Latin Wisteria, genus name, after Caspar Wistar (1761-1818), American physician.]
1819, formed by botanist Thomas Nuttall, Eng. botanist, in allusion to Amer. anatomist Caspar Wistar (1761-1818) of Philadelphia. The -e- apparently is a misprint.