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, prostrate, (slender, sparsely pubescent), 0.5–2 dm.

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

blade obovate to narrowly elliptic, 1.5–6 cm, margins usually entire, rarely shallowly dentate, (surfaces densely pubescent, often silvery).

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

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

blade oblanceolate to spatulate, 0.5–1 cm, margins entire, (surfaces often sparsely pubescent).

dense.

(narrow), loose, (elongated in fruit).

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 (greenish brown, sometimes magenta), linear or elliptic, 4.3–6(–7.5) mm, (median pair thickened apically, cucullate);

petals (frequently pink or magenta in distal 1/3–1/2), spatulate to oblanceolate, 6–10(–12) mm, (claw undifferentiated from blade).

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

(ascending to somewhat spreading, straight to slightly curved), 4–8(–12) 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.

broadly ovoid to suborbicular, inflated, (terete or, often, slightly angustiseptate), 3–6mm;

valves sparsely pubescent;

ovules usually 4, rarely 6–8 per ovary;

style 3–6.5 mm.

flattened.

plump.

= 12.