Distribution: Introduced chiefly west of the Cascades in Washington; British Columbia south to Oregon.
Habitat: Uncommon in waste places and roadsides.
Conservation Status: Not of concern
Erect, pubescent annual, the 1-several stems 1-4 dm. tall, freely-branched.
Leaves trifoliate, leaflets linear-oblanceolate, 8-25 mm. long; stipules attached to the petioles, extending into narrowly awl-shaped free tips 5-10 mm. long.
Inflorescence of many-flowered heads, 5-25 mm. long and 10-13 mm. thick, axillary as well as terminal on the many branches; flowers 5-6 mm. long; calyx with plumose, appressed, aligned hairs, the 5 teeth bristle-tipped, twice as long as the tube, surpassing the white or pale pink, pea-like corolla; banner only slightly reflexed.
Pod indehiscent, 1-seeded.