Five Leaf Rattlepod is a coarse erect branching herb 1-2 m tall. Stems are
greenish and grooved. Leaves are long-petiolate, usually with 5 (rarely 7)
leaflets. The leaflets are lanceshaped, elliptic, stalkless, 2.5-12 cm long
and 2 cm wide, blunt-tipped. Flowers are in borne in raceme, at the end opf
branches. They are yellow, the standard-petal purplish nerved. Sepal cup is
hairless, half as long as the petals. Pod are oblong, hairless, inflated,
about 5 cm long, brownish, with 30-40 seeds.