Herbs, perennial, 40-75 cm, sparsely puberulent with appressed trichomes. Stems erect, robust, branching, subglabrous. Leaf rachis very short; all leaflets similar in shape, oblong-obovate to oblong, 6-30 × 4-12 mm, sparsely puberulent abaxially. Umbels 2-10-flowered; peduncle longer than leaves. Calyx trumpet-shaped, 7-8 mm, sparsely puberulent; teeth subequal, slightly shorter than tube; upper teeth curved upward. Corolla white or pale yellow, 10-15(-20) mm; claw of standard less than half as long as standard; keel somewhat curved. Style smooth (except for inconspicuous papillae surrounding stigma). Legume cylindric, 25-40 × 3-4 mm, straight or curved at apex.
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