Annual herb. Rosette short-lived or 0. Stem sometimes purplish, erect, stellate-hairy, to 1 m tall. All lvs ± densely stellate-hairy, 2-3-pinnatisect, glaucous, 2-7 × 1-3 cm; lobes linear or narrowly oblong. Racemes erect or suberect, sparsely hairy or glabrous, 10-30-(40) cm tall. Pedicels slender, c. 5 mm long at flowering, lengthening to 1-(2) cm and spreading at fruiting. Sepals c. 2 mm long, clothed in stellate hairs. Petals pale yellow, 1-1.5 mm long. Anthers 0.2-0.3 mm long; filaments slightly > sepals. Silique ± erect, glabrous, often curved upwards making an angle with the pedicel, (10)-15-20 × c. 1 mm, slightly torulose; median vein distinct. Seeds oblong, brown, c. 1 mm long, in 1 row per locule.