Perennial herb or subshrub, erect to decumbent, glabrous. Stem trailing to 1.5 m. Leaf lamina narrowly oblanceolate to lanceolate or elliptic, 3–12 cm long, 0.5–2 cm wide, attenuate at base, entire or serrate in upper half only with slightly larger subapical teeth, acute; upper leaf lamina linear, reduced, entire. Sepals ovate, 1.5–2 mm long, green with white margins. Petals 1.5–2.5 mm long, white. Stamens 4. Infructescence elongate; pedicels 4–10 mm long. Silicula dehiscent, ovate-elliptic, 3–4 mm long; apex with a very reduced wing and notch; valves keeled. Seeds ellipsoidal, c. 2 mm long.
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