Biennials; glandular (at least distally); finely pubescent, often canescent, trichomes dendritic, sometimes mixed with simple ones. Stems erect, unbranched basally, branched distally, 4.5-13 dm. Basal leaves: petiole 1-3 cm; blade pinnate, oblanceolate to obovate or ovate in outline, 2-10 cm, lateral lobes (2-5 pairs), oblanceolate to lanceolate, (4-12 × 1-5 mm), margins entire or serrate to crenate, (apex obtuse). Cauline leaves sessile or shortly petiolate; blade smaller distally, distal lobes often narrower, surfaces densely pubescent. Racemes considerably elongated in fruit. Fruiting pedicels divaricate, straight, 13-31 mm. Flowers: sepals ascending, greenish to yellowish, oblong, 2-2.9 mm, pubescent, (trichomes dendritic, mixed with glandular papillae); petals oblanceolate, 1.8-2.6 × 0.5-0.7 mm; median filaments 1.8-2.4 mm; anthers 0.3-0.5 mm. Fruits divaricate to erect, linear, slightly torulose, 8-16(-20) × 1-1.3 mm, (abruptly acute at both ends); valves each with distinct midvein, (sparsely pubescent or glabrescent); septum not veined; ovules 48-64 per ovary; style 0.1-0.2 mm, glabrous. Seeds biseriate, light brown, ellipsoid, 0.9-1.1 × 0.5-0.6 mm. 2n = 42.
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