herbaceous, glabrous; pods slender, submoniliform, tipped with a thick, nodose, acute style; radical leaves very narrow, entire, trifid or tripartite. Stem erect, simple or branched, 6 inches to 2 feet high, with subvirgate branches. Leaves crowded in the lower part of the stem, 2–6 inches long. Rachis of the pinnati-partite leaves 1/2–1 line broad, lateral lobes 5–7, erecto-patent, 3–5 lines long, rarely uncial. Upper leaves smaller, undivided. Flowering racemes short, few flowered; fruiting elongated. Flowers either blue, with a yellowish centre, lilac, yellowish or white. Sepals 2 lines long. Petals obovate, twice as long as the calyx. Shorter stamens toothed at base. Pods erect or somewhat spreading, 1–1 1/2 inches long, 1/2– 3/4 line broad, terete or subcompressed, obsoletely 1–3 nerved. Style thickened, cuspidate, 1/2–1 line long. Seeds oval, not margined.