Vicia ludoviciana var. leavenworthii (Nutt. ex Torr. & A. Gray) Broich  

Family: Fabaceae

Leavenworth's vetch, more...Leavenworth's vetch

[Vicia ludoviciana ssp. leavenworthii (Nutt. ex Torr. & A. Gray) Lassetter & C.R. Gunn]