perennial, glabrous, or hairy; stem erect, branched above; lower leaves largest, runcinate or pinnatifid, lobes toothed; upper leaves narrower, pinnatifid or lanceolate-toothed; racemes glabrous; pods turned upwards, glabrous. Stem, 2 feet or more in height, striate, with long spreading branches. Lower leaves 4–7 in. long, (in α) 1 1/2–2 inch wide, with ovate, toothed lobes 1/2 inch long or less; in γ 1–2 inch wide, deeply pinnatifid, the rachis 1–1 1/2 lines wide, lobes 6–10 at each side, horizontally patent, 1/2–1 inch long, with short teeth or quite entire. Upper leaves 1 inch long. Raceme 6–12 inches; flower stalks 3–4, fruit stalks 4–6 lines long. Petals longer than calyx, 2–2 1/2 lines long. Pods 2–3 inches, in β 1–1 1/2 inches long, 1/2 line wide, with 3-nerved valves: style 1/2–1 line long. Seeds in a single row.
