Flora of North America species comparison

cylindrical, slender or stout, 1.5–3 mm diam., (not fleshy).

absent.

erect, unbranched or branched distally, 2–7(–10.2) dm, glabrous or sparsely to densely puberulent basally or throughout.

(simple from base), erect, (not flexuous), unbranched or branched distally, (0.5–)1.5–5.5(–7) dm.

(soon withered), not rosulate, similar to proximalmost cauline leaves, 4–15 cm.

usually absent, rarely present, simple, 5–15 cm;

petiole 2.5–12 cm;

blade reniform to cordate, 1.5–4.5(–6) cm.

(3–)5–17(–23), simple or, rarely, proximalmost 3-foliolate, petiolate;

petiole 1–6.5(–8.5) cm, base not auriculate;

blade reniform, deltate-cordate, or ovate-cordate, (1–)2–7.2(–9.7) cm × 10–55(–85) mm, (somewhat fleshy), base cordate or truncate, margins crenate to slightly sinuate, (veins ending in apiculae, surfaces glabrous or sparsely to densely pubescent).

(3–)5–20(–35), pinnately (5 or) 7–13(–19)-foliolate, sometimes appearing pinnatisect, lobe number similar to leaflets (middle and proximal ones 2–11 cm), petiolate, leaflets petiolulate, subsessile, or sessile;

petiole (0.4–)1–3.5(–4.5) cm, base not auriculate, (often sparsely hirsute);

lateral leaflets shortly petiolulate or sessile, (decurrent on rachis smaller than terminal, distalmost blades narrower, with fewer lobes or leaflets), margins entire or crenate;

terminal leaflet (subsessile or petiolule to 1 cm), blade suborbicular, obovate to oblanceolate, or elliptic, 1.3–3(–4) cm × 6–25 mm, base often cuneate, margins entire, repand, or obscurely 3 or 5-lobed.

ebracteate.

ebracteate.

sepals oblong, 2.5–4.5 × 1.5–2 mm, lateral pair slightly saccate basally;

petals white, broadly obovate, 7–12 × 4–6 mm (claw to 6 mm, apex rounded to subtruncate or emarginate);

filaments: median pairs 3.5–5 mm, lateral pair 2–3.5 mm;

anthers oblong, 1–1.5 mm.

sepals oblong, (1–)1.3–2.3 × 0.5–1 mm, lateral pair not saccate basally;

petals white, narrowly spatulate to oblanceolate, 2–3.5(–4) × 0.8–1.5 mm, (not clawed);

filaments: median pairs 1.5–2.5 mm, lateral pair 1–2 mm;

anthers ovate, 0.2–0.3 mm.

divaricate to ascending, (7–)10–20 mm.

divaricate-ascending, (3–)4–10(–13) mm.

linear, (2–)2.5–3.7(–4) cm × 1.2–2 mm; (valves glabrous or sparsely puberulent);

ovules 14–24 per ovary;

style 0.5–3(–6) mm.

linear, (torulose), (1.4–)1.7–2.7(–3.2) cm × 0.8–1.1 mm;

ovules 40–80 per ovary;

style 0.5–1 mm.

brown, oblong, 1.6–2 × 1–1.3 mm.

brown, oblong to ovoid, 0.7–1.1 × 0.5–0.8 mm.

= 24.

= 32, 64.