*Wisteria ×formosa Rehder. Phen: Apr-Jul; Jul-Nov. Hab: Cultivated, escaped to urban, suburban, and rural forests and woodlands, commonly cultivated and escaped; a cross of species native to China and Japan. Dist: Trusty et al. (2007, 2008) revealed that much of the invasive Wisteria in southeastern United States involves complex hybrids and backcrosses involving W. floribunda and W. sinensis.
Origin/Endemic status: E. and se. Asia
Synonymy: = K3, K4, Va, WH3; = n/a – C, Pa, RAB; = Rehsonia ×formosa (Rehder) Stritch – Stritch (1984)