[Vicia leavenworthii var. occidentalis Shinners, moreVicia ludoviciana var. laxiflora Shinners, Vicia ludoviciana var. ludoviciana , Vicia ludoviciana var. texana (Torr. & Gray) Shinners]
Vicia ludoviciana subsp. ludoviciana is a rather inconspicuous twining herb that grows out from the base of rocks and uses its tendrils to climb up grass stems. The leaves are sparsely populated with about 6 linear leaflets. The stem is pubescent. The flowers arise usually singly along the stem in leaf axils. Vicia ludoviciana subsp. ludoviciana is found in arid areas at lower elevation.