Flora of North America species comparison

erect to ascending, often paniculately branched distally, (1.2–)3–7.5(–12) dm, trichomes sessile or subsessile.

absent on older plants.

petiolate or (distal) sessile;

petiole 0.5–1 cm;

blade oblanceolate, lanceolate to oblong, or elliptic, (1–)2–5.5(–7) cm × (4–)7–20(–30) mm (smaller distally), base cuneate, margins sinuately lobed or dentate, surfaces with minutely stalked to subsessile trichomes.

petiolate or sessile;

blade base not auriculate [auriculate], margins entire, dentate, or lobed.

slightly to considerably elongated in fruit.

ebracteate, elongated [not elongated] in fruit.

sepals slightly spreading, 1.2–2 × 0.4–0.7 mm;

petals (slightly spreading), spatulate, (slender), 1.8–2.5 × 0.7–1 mm, claw distinctly differentiated from blade, 0.5–1 mm;

filaments spreading, 2.2–3 mm, longer than petals;

anthers 0.3–0.5 mm.

usually actinomorphic, rarely zygomorphic;

sepals spreading or erect [ascending], lateral pair seldom saccate basally;

petals white, lavender, or purple [pink], claw present, obscure [distinct];

filaments unappendaged, not winged;

pollen 3-colpate.

usually divaricate, rarely slightly descending, (2–)3–6(–9) mm.

divaricate or slightly descending, straight, subtorulose, linear, terete, 0.6–1.4(–1.7) cm × 0.5–0.8 mm;

ovules 16–24 per ovary;

style 0.7–1(–1.5) mm.

silicles or siliques, dehiscent, unsegmented, terete, latiseptate, or angustiseptate;

ovules [4–]16–250[–numerous] per ovary;

style distinct or obscure;

stigma entire.

uniseriate, 0.8–1 × 0.4–0.6 mm.

biseriate or uniseriate;

cotyledons accumbent or incumbent.

stalked to subsessile, forked, stellate, or dendritic [simple].