Annual herb to 40 cm tall, rigid, erect, slender, glabrous or slightly papillose. Leaves 1–6 cm long, pinnatisect with 1–3 pairs of linear lobes; basal rosette not persistent; upper leaves reducing to filiform, entire. Inflorescence an elongated raceme. Sepals 3.5–5.5 mm long, not saccate. Petals 8–13 mm long; claw narrow; lower part of lamina expanded, the upper part narrow, more than half total length; olive-green to purple. Stigma capitate to bilobed. Silicula 4–7 mm long, oblong to ellipsoidal, terete; pedicels to 10(15) mm long, stout, appressed to slightly spreading. Seeds ovoid, compressed, 1–1.5 mm long, 8–15 per locule.
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