Common Name: Silverleaf Scurfpea
This legume has blue flowers in late summer. The leaves vary from green to silver. At the end of the growing season the stem snaps off and this plant becomes a “tumbleweed”.
Reproduction. Mostly vegetative; limited seed production.
Breeding system. Has flowers with pollen, but its system is unknown.
The USDA Plant Page for Psoralea argophylla.
In a breeding systems study in 2010, Greg Diersen found no seeds produced by out-crossed pollen or by self-pollination.