Perennial subshrub to c. 1 m high. Stems sometimes partially creeping. Leaf lamina linear, remotely pinnatisect, 2–6 (–10) cm long, 2–4 mm wide, acute to subapiculate, fleshy, glabrous; lobes opposite, remote, linear, 2–4 per side, 1–15 mm long. Sepals ovate, c. 1 mm long, green with white margins. Petals c. 1.5 mm long, white. Stamens usually 6. Infructescence elongate, racemose; pedicels spreading, c. 5 mm long. Silicula dehiscent, ellipsoidal, 4–5 mm long, acute; valves keeled. Seeds ellipsoidal, slightly oblique, c. 1.5 mm long.
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