Flora of North America species comparison

several from base, ascending to erect (arising laterally, unbranched), 0.5–1(–2.5) dm.

several from base, erect or outer decumbent, (often several-branched, branches slender and flexuous), to 8 dm.

(ascending to erect, petiole slender);

blade oblanceolate to obovate, 3–8 cm, (base tapering to petiole), margins incised or dentate with broad teeth, (apex acute to obtuse).

blade pinnatisect to repand, 3–9(–14) cm, margins entire.

blade linear-oblanceolate to oblanceolate, 1–2 cm, margins entire.

(sometimes secund, proximal usually petiolate, distal sessile);

blade elliptic, 1–6 cm, (distal with cuneate base), margins entire or deeply dentate.

dense (elongated or not in fruit, 2.5–8.5(–10) cm).

dense.

sepals (greenish yellow), lanceolate, 6–8.5 mm, (saccate and cucullate);

petals spatulate to narrowly oblanceolate, 7–10(–12) mm.

sepals elliptic to oblong, 3–5.5 mm, (median pair slightly thickened apically, cucullate);

petals (sometimes drying slightly purplish), suborbicular or broadly ovate, 4.5–7(–9) mm, (narrowing gradually to short claw).

(divaricate, straight), 5–11(–15) mm, (rigid, fruits not pendent on arching pedicels).

(horizontal or recurved and ascending at tip, sometimes loosely sigmoid), (5–)10–20 mm.

didymous, sides curved and angular, highly inflated, 6–16 × 8–12 mm, (papery, apical sinus broad and concave);

valves (retaining seeds after dehiscence, distinctly 2-keeled on side away from replum), pubescent, trichomes appressed;

replum linear to linear-lanceolate, as wide as or wider than fruit, apex acute;

ovules 4–8 per ovary;

style 2–9 mm, (usually not exceeding sinus).

globose or broadly ellipsoid, not or slightly inflated, (4–)5–8 mm, (smooth);

valves (not retaining seeds after dehiscence), glabrous;

replum as wide as or wider than fruit;

ovules (8–)12–16(–20) per ovary;

style (1.5–)2–3(–4) mm.

slightly flattened, (ovate).

flattened.

= 12.