Repent perennial; stems creeping over ground,usually rooting at nodes. Leaves trifoliolate; stipules 5-10 mmlong, connate about one-third their length; petioles 4-7 cm long,puberulent, the pulvinus at base terete; rachis of terminal leaflet4-10 mm long; leaflets ovate, ± inequilateral, 4-8 cmlong, 3-6 cm wide, glabrous above, white-pilose below, thereticulate veins often conspicuously raised and sometimes closetogether below. Racemes axillary, erect, elongate; peduncles 15-20cm long; axis elongating to ca 20 cm; bracts ovate, acuminate, ca 4mm long, strigillose, concave at base; pedicels paired, ca 5 mmlong (to 15 mm in fruit); flowers pink to lavender, spring-loaded,ca 5 mm long, often paired; calyx 1.5-2 mm long, acutely lobed tohalf the length, the lobes 4, ± equal, deltoid, puberulent tohispid, purplish; corolla ca 4.5 mm long, pink to rose orreddish-violet; standard emarginate at apex; stamens ca 4 mm long,± equal, the staminal column open basally, spring-loaded,forcibly emerging from closed keel on disturbance. Loments at rightangles on stipes 5-6 mm long, each with the upper margin entire,the lower margin deeply lobed; segments usually 2, more or lessreniform, 8-13 mm long.