Herbs annual or biennial, (10-)22-85(-125) cm tall. Stems erect, simple or sometimes branched at base, densely pubescent with short-stalked, stellate trichomes, often basally hirsute with horizontal simple trichomes to 1.4 mm. Basal leaves not rosulate, petiolate, often caducous by fruiting; petiole to 3 cm; leaf blade spatulate, 4-9 × 1-2 cm, stellate pubescent and sometimes mixed with simple or forked trichomes, margin coarsely dentate or rarely lyrately lobed, apex obtuse. Middle cauline leaves narrowly oblong, lanceolate-linear, or narrowly oblanceolate, sessile, (1-)2-5(-8) cm × (2-)3.5-10(-17) mm, stellate pubescent, base attenuate, margin dentate, repand, or entire. Racemes basally or rarely lowermost 1 or 2 flowers bracteate; bracts similar to uppermost cauline leaves. Fruiting pedicels slender, stellate pubescent laterally and abaxially, glabrous adaxially, divaricate or rarely ascending, (0.5-)1-4(-6) mm. Sepals oblong, 1.7-2.5 × 0.6-0.8 mm, densely pubescent, sometimes narrowly membranous. Petals white, pink, or purple, spatulate, 2.5-3(-4) × 0.7-1 mm, attenuate to base; claw to 1 mm. Filaments 2-2.8 mm; anthers oblong, 0.4-0.6 mm. Ovules 60-120 per ovary. Fruit linear, terete, straight or curved, divaricate or rarely ascending, (1-)2-4(-5.5) cm × 0.6-1 mm; valves glabrous or very rarely puberulent, with a conspicuous midvein; style (0.2-)0.6-1.3(-1.8) mm. Seeds brown, oblong or subovoid, uniseriate, 0.6-0.9 × 0.3-0.4 mm. Fl. Apr-Aug, fr. May-Sep.
Home