Drummond’s milkvetch is a perennial forb with pinnately compound leaves. Leaflets are elliptic-oblong and are in groups of 17. Flowers of Drummond’s milkvetch are 18 to 25mm long white oblong structures. The flowers are white and the keel can sometimes be purplish in color.
Drummond’s milkvetch is a selenium (Se) hyperaccumulator making it toxic for consumption. Prairie dogs tend to avoid plants with high Se levels making it a good plant to revegetate degraded sites. Drummond’s milkvetch is also a good plant for pollinator species as well.
Seed pods are roughly 4cm long. Open along the seam to access the seeds.
Drummond’s milkvetch is common on the shortgrass prairie, grassy slopes, and sagebrush flats to pinyon-juniper.