Flora of North America species comparison

erect, ascending, or decumbent, unbranched or branched distally, (usually glabrous distally).

simple or few from base, erect, unbranched or branched distally, (0.2–)0.5–3(–5) dm, pubescent basally, trichomes predominantly simple, glabrous apically.

basal and cauline;

petiolate, sessile, or subsessile;

basal rosulate, petiolate, blade margins entire, toothed, or pinnately lobed;

cauline blade margins usually entire or dentate, rarely lyrate.

shortly petiolate;

blades obovate, spatulate, ovate, or elliptic, 0.8–3.5(–4.5) cm × (1–)2–10(–15) mm, margins entire, repand, or dentate, apex obtuse, adaxial surface with predominantly simple and stalked, 1-forked trichomes.

subsessile;

blade lanceolate, linear, oblong, or elliptic, (0.4–)0.6–1.8(–2.5) cm × 1–6(–10) mm, margins usually entire, rarely toothed.

(few- to several-flowered), not elongated in fruit.

sepals erect or ascending, usually oblong (or ovate), (lateral pair sometimes saccate or subsaccate basally);

petals white, lavender, or purplish [pink, purple], obovate, spatulate, or oblanceolate, claw differentiated from blade or not, (apex obtuse or emarginate);

stamens slightly tetradynamous;

filaments not dilated basally;

anthers oblong or ovate, (apex obtuse);

nectar glands confluent, subtending bases of stamens.

sepals 1–2(–2.5) mm, lateral pair not saccate basally, (glabrous or sparsely pubescent distally, trichomes simple);

petals white, spatulate, 2–3.5(–4) × 0.5–1.5 mm, (base attenuate to claw);

filaments 1.5–2 mm.

ascending, divaricate, or slightly reflexed, slender.

divaricate, 3–10(–15) mm.

siliques, dehiscent, shortly stipitate or subsessile, linear, smooth or somewhat torulose, terete or latiseptate;

valves (papery), each not veined or midvein prominent or obscure, glabrous;

replum rounded;

septum complete;

ovules 15–80 per ovary; (style obsolete or distinct, to 1 mm);

stigma capitate.

cylindric or linear, smooth, terete, (0.8–)1–1.5(–1.8) cm × 0.5–0.8 mm;

valves each with distinct midvein;

ovules 40–70 per ovary;

style to 0.5 mm.

usually uniseriate, plump or flattened, not winged or margined, oblong, ovoid, or ellipsoid;

seed coat (minutely reticulate), mucilaginous or not when wetted;

cotyledons usually accumbent, rarely incumbent.

light brown, (plump), ellipsoid 0.3–0.5 mm;

cotyledons incumbent.

= 5, 8.

= 10.