Annuals or biennials; (base not woody). Stems erect, unbranched or branched distally, (2-)3-7.5(-11.5) dm, trichomes sessile. Basal leaves: petiole 0.4-2 cm; blade oblanceolate to oblong, 2-8 (-11) cm × 05-20(-30) mm, margins coarsely dentate or somewhat pinnatifid, surfaces with sessile trichomes. Cauline leaves sessile; blade oblong to oblanceolate, 1.5-5(-6) cm × 3-12(-15) mm (smaller distally), base truncate or broadly cuneate, margins coarsely dentate, pubescent as basal. Racemes considerably elongated in fruit. Fruiting pedicels divaricate, (slightly curved upward or straight), (6-)8-15(-18) mm, (trichomes appressed). Flowers: sepals widely spreading, 1.5-2.5 × 1-1.5 mm; petals spatulate, 1.5-2.5 × 0.7-1.2 mm, claw obscurely differentiated from blade, to 1 mm; filaments spreading, 1.5-2.5 mm, equal to petals; anthers 0.7-1 mm. Fruits ascending, straight, not torulose, oblong to ovoid, slightly angustiseptate to subterete, 0.5-0.8(-0.9) cm × 3-4(-5) mm; ovules (60-)70-110 per ovary; style 0.3-0.8(-1) mm. Seeds biseriate, 0.6-0.8 × 0.4-0.5 mm.
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