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Annual, pubescent herb, with taproot. Stems erect or ascending, up to 50 cm high, branched at least in upper parts. Leaves obovate in outline, auriculate, lyrato-pinnatipartite, irregularly serrate-dentate, up to 15 by 3 cm, successively transgrading into smaller undivided bracts; terminal lobe ovate, 1.5-5 by 1-3 cm; lateral lobes in 1-4 pairs. Racemes terminal or axillary, at least in lower and middle parts bracteate, with numerous small light yellow flowers, in fruit rather dense, up to 7 cm long; pedicels spreading, straight, 3-7 mm long. Sepals green, elliptic, c. 1.5 mm long. Petals pale yellow, spathulate, 1-2 mm long, about as long as the sepals. Anthers c. 0.5 mm long. Ovary cylindrical with very short style and flat expanded stigma. Siliqua linear, straight, 6-17 by 1-1.5 mm; valves rather thin; style 0.3-0.8 by c. 0.4 mm; stigma flat, broader than style. Seeds biseriate, dark brown, spheroid, c. 0.5 mm long, minutely foveolate.
A herb. It grows 50 cm tall. It has a few branches. The leaf blades are thin. The leaves near the base are divided into lobes. The leaves higher up have winged leaf stalks. The flowers are small and yellow on long stalks. The fruit is a narrow pod 1 cm long. There are 2 rows of seeds.
