Herbs perennial, (8-)15-40(-50) cm tall; caudex woody, compactly branched, to 2.5 cm in diam. Stems branched, sometimes woody at base, hirsute with simple trichomes to 1.2 mm, rarely glabrous. Leaves all cauline, several to many; petiole (2-)5-12(-15) mm; leaf blade highly variable in shape, pubescence, or margin, usually obovate, spatulate, rhomboid, oblong, or elliptic, (0.8-)1.3-3.5(-5) × 0.4-1.6(-2.5) cm, leathery, densely to sparsely pubescent, rarely glabrous, base cuneate or attenuate, margin dentate or rarely incised along distal half, sometimes entire, apex acute or obtuse. Racemes several to many flowered. Fruiting pedicels 5-9(-12) mm, glabrous or sparsely puberulent, ascending. Sepals oblong, 3-4 × 1.5-2 mm, glabrous or sparsely puberulent. Petals white with purplish claws, 5-6.5 × 2-3 mm; claw 2.5-3.5 mm. Filaments white, median pairs 2.5-3 mm, lateral pair 1.5-2 mm; anthers oblong, 0.9-1.2 mm. Fruit linear, oblong, or lanceolate, 1.5-3(-3.5) cm × (2-)2.7-4(-4.5) mm, subappressed to rachis, straight, flattened; valves constricted between seeds, glabrous or puberulent, base obtuse, apex acute or subacuminate; style obsolete or to 0.4 mm. Seeds brown, oblong, 1.8-2.3 × 0.9-1.5 mm, laterally oriented. Fl. Jun-Sep, fr. Jul-Oct. 2n = 14*.
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A herb. It keeps growing from year to year. It can lie over. The leaves vary in size, shape and hairiness. They are oblong and 1-5 cm long by 5-20 mm wide. They usually have 3 teeth near the tip. The flowers are 5-7 mm across and white with a purple base.
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