GROWTH HABIT: Swainsonpea is a creeping perennial reproducing by seeds and lateral roots.
LEAVES: Leaves are compound, composed of numerous opposite leaflets which are oval and covered with hair.
FLOWER: Flowers occur from May to July, are 1/4 to 1 inch in length and are orange-red.
SEEDS: Many seeds are formed in bladder-like translucent pods. Seeds are green with an attachment indentation.
OTHER: This plant was introduced from Asia and is commonly found in western states along roadsides and fences. It is a potential threat to grain and alfalfa growing areas; the seed is a contaminant in alfalfa seed which is the same size, shape and weight, making it impossible to separate.