Prostrate to ascending annual herb to 60 cm high. Plants have a well developed root system and emit an ill-smelling odour when crushed. Leaves 1.5–9 cm long, 0.8–3 cm wide, ovate, paler below, leaf stalk to 4 cm long. Seed-like segments of fruit (mericarps) ovate, brown, 1–1.5 mm wide.
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