Flora of North America species comparison

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

several from base, erect or somewhat decumbent, (unbranched), 1–3.5 dm.

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

(petiole slender, usually incised or with broad teeth along petiole);

blade obovate, 4–6 cm, margins entire.

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

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

blade oblanceolate or broader, 1.5–2.5 cm, margins entire or sparsely dentate, (apex acute).

dense.

somewhat loose, (5–15 cm).

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).

sepals oblong, 5–7 mm;

petals (lemon yellow), spatulate, 9–12 mm.

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

(spreading or ascending, curved, fruits not pendent), 10–20 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.

didymous, obreniform, moderately inflated, angustispetate, (8–)10–12(–15) × 10–14(–16) mm, (papery, not keeled, basal sinus absent, apical sinus broad and open);

valves (retaining seeds after dehiscence, rounded or irregular), loosely pubescent, trichomes spreading;

replum broadly lanceolate, as wide as or wider than fruit, apex acute;

ovules 8 per ovary;

style 1–2 mm.

flattened.

flattened.

= 12.

= 8.