Perennials. Stems erect to ascending, often paniculately branched distally, 1.5-7.5 dm, trichomes sessile or subsessile. Basal leaves absent on older plants. Cauline leaves petiolate or (distal) sessile; petiole 0.3-2 cm; blade oblanceolate or lanceolate to obovate, (1.5-)3-8(-11.5) cm × (7-)15-35(-46) mm (smaller distally), base cuneate, margins coarsely dentate to shallowly sinuate, surfaces with stalked to subsessile trichomes. Racemes slightly to considerably elongated in fruit. Fruiting pedicels divaricate or slightly ascending, (3-)4-9(-12) mm. Flowers: sepals slightly spreading, 2-4 × 0.8-1.5 mm; petals (slightly spreading), spatulate or oblanceolate, (3.5-)4.5-6 × 1-1.5 mm, claw obscurely differentiated from blade, to 1.5 mm; filaments spreading, 3.5-6 mm, equal to or longer than petals; anthers 0.7-1 mm. Fruits divaricate or slightly ascending, curved or straight, torulose, linear, terete, (1-)1.5-2.6 cm × 0.6-0.9 mm; ovules 28-38 per ovary; style (1-)1.5-2.2 mm. Seeds uniseriate, 0.9-1.2 × 0.5-0.6 mm.
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