Perennials; (caudex simple, covered with persistent petiolar remains); pubescent or glabrous. Stems erect, unbranched or branched distally, 5-15 dm, (tomentose throughout or glabrate distally). Basal leaves: petiole 0.3-1.2 cm; blade lanceolate to oblanceolate, 6.7-19(-23) cm × 20-50(-60) mm, margins runcinate, (surfaces densely tomentose). Cauline leaves petiolate; (proximalmost similar to basal), blade lanceolate, 2-4 cm × 5-10 mm (smaller distally), margins entire to hastate. Racemes dense, (considerably elongated in fruit). Fruiting pedicels horizontal to divaricate-ascending, 11-22 mm, (pilose or glabrous). Flowers: sepals linear, 10-16 mm, pubescent; petals pale lemon yellow, linear, 12-21 × 1-1.8 mm, claw 8-15 mm, (nearly linear), slightly wider at base, glabrous; filaments 12-22 mm, glabrous; anthers 4-5.5 mm; gynophore 10-20 mm, glabrous. Fruits suberect to ascending, straight, flattened, 4-7 cm × 1.2-2.2 mm; ovules 30-46 per ovary; style 0.02-0.3 mm. Seeds oblong, 1.8-2.6 × 1-1.5 mm.
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