- 2 - 5' tall
- Blooms May to August
- Flowers 1/4 - 1" long, pea-shaped, in groups of 6 - 16 at the end of axillary stems
- Leaves alternate, 1/2 - 1" long, compound pinnate, 9 - 25 oval leaflets with silvery hairs on the underside
- Seeds form in inflated bladder-like pods, 3/4 - 1 1/2" long
- Woody taproot with spreading rhizomes
There are few occurrences of this species documented in Colorado. View the known North American Distribution Map. If you are aware of infestations that are not represented, please report your sighting. Register for an EDDMapS account, then select "Report Sightings". Please include photos with your submissions.