suffruticose, erect, virgate, laxly branched; branches angular, thinly strigillose; leaves scattered, petiolate, 3-jugate; leaflets distant, sublanceolate-linear, narrow, mucronate, complicate, thinly strigillose; stipules minute, toothlike; racemes on very long peduncles, elongating, many flowered; calyx strigose, its segments subulate; petals albo-sericeous; legumes very short, oblong, tumid, mucronulate, strigose, 2–3 seeded. 1 1/2–2 feet high, slender, glabrescent; the whole plant of a livid, blue-green, indicating the presence of indigo. Leaves an inch or more apart, the common petiole often gland-stipelled; the pairs 3 lines apart. Leaflets 6–8 lines long, 1–2 lines wide. Peduncles 3–4, afterwards 6–8 inches long or more, 2/3 occupied by flowers. Flowers small, 1 1/2–2 lines long, on short pedicels. Legumes 3 lines long, very turgid, 1–1 1/4 line in diameter.
