Flora of North America species comparison

erect or decumbent, branched basally and distally.

few to several from base, erect, branched distally, (0.7–)1–6(–7) dm.

basal and cauline;

petiolate or subsessile;

basal rosulate, petiolate, blade margins dentate, sometimes repand, rarely pinnatifid;

cauline petiolate, sessile, or subsessile, blade margins entire, dentate, or repand.

petiole (0.5–)1–4(–5) cm;

blade lanceolate, oblanceolate, or ovate, (1.2–)2–5(–6) cm × (5–)10–20(–30) mm, base cuneate, margins usually dentate, sinuate, rarely pinnatifid.

(distal) shortly petiolate or sessile;

blade ovate, lanceolate, or oblong, 1–4(–5) cm × (3–)10–20(–30) mm, base cuneate, margins entire, dentate, or repand.

(densely corymbose), considerably elongated or not elongated in fruit.

considerably elongated in fruit.

sepals erect, linear or oblong-linear, (forming tube, connivent), lateral pair saccate basally;

petals (erect), white, lavender, or purplish, lingulate, (longer than sepals), claw undifferentiated from blade;

stamens (erect), tetradynamous;

filaments not dilated basally, (filiform);

anthers narrowly linear or sagittate;

nectar glands: lateral annular, median confluent with lateral; (gynophore to 0.5 mm).

sepals purple to lavender, linear, (6–)7–9(–10) × 0.8–1.2 mm;

petals white to pale lavender, (10–)12–15 × (1.5–)2–3 mm;

filaments 6–7 mm;

anthers 1.5–2(–2.5) mm.

divaricate, stout, (straight, with 2 well-developed glands basally).

1.5–2.5 mm.

silicles, sessile or shortly stipitate, didymous, not winged, strongly angustiseptate;

valves 1-seeded, ovate, suborbicular, or slightly broader than long, keeled, enclosing seeds when falling off, indurated around margin, (rim raised), pubescent (with branched or clavate, simple papillae);

replum concealed by valve margin;

septum complete;

ovules 2 per ovary;

style distinct, (pubescent);

stigma capitate, entire.

valves transversely ovate to suborbicular, 3.5–5(–6) × 4–6(–7) mm, base and apex rounded, pubescent, trichomes clavate, simple, papillate (branched trichomes rarely present on fruit margin);

style 0.1–0.5(–1) mm.

aseriate, flattened, not winged, oblong;

seed coat (smooth), not mucilaginous when wetted;

cotyledons accumbent.

3–4 × 1.5–2.5 mm.

= 10.

= 20.