A New Species of Orychophragmus (Cruciferae) in the Three-Gorge Reservoir Area,China

One new species of plant,Orychophragmus ziguiensis Z.E.Zhao et J.Q.Wu,of Cruciferae,was found in the Three-Gorge Reservior Area,China.It was quite different from the relative O.violaceus (L.) O.E.Schulz,by its thin stem and branches,interrupte-pinnately or pinnately compound leaves and teretiuscule-oblong seeds with netted seed-coat.