Flora of North America species comparison

simple from base, spreading or erect, (unbranched), ca. 1 dm.

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

(petiole long, slender);

blade elliptic to obovate, 3–4 cm, (base narrowing to petiole), margins entire.

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

(shortly petiolate);

blade elliptic to obovate, 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.

dense.

sepals narrowly elliptic or oblong, ca. 4.5 mm, (median pair thickened apically, cucullate);

petals narrowly spatulate, 7–8 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).

(sigmoid), 5–8 mm.

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

(erect, substipitate), globose, ellipsoid, or obovoid, not or slightly compressed, 3–4 mm;

valves sparsely pubescent, sometimes few trichomes inside;

ovules 10–12 per ovary;

style 3–5 mm.

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.

flattened.

flattened.

= 12.