Smooth Vetch is also known as Winter Vetch.

Plant is a trailing or climbing, slightly hairy annual or perennial. Preferred habitat is fence rows, roadsides and waste areas. Distribution is throughout the Escambia region.

Leaves are alternate on the stem; elongated with leaflets arising along both sides like a feather and then compound again with leaflets linear to widest at the center and modified into a tendril.

Flowers are in the leaf axil and appear as a cluster; five petals; purple; ten stamens. Flowers occur in the spring and early summer.

Fruit is a legume.

This plant is widely cultivated for fodder and often escapes from cultivation.