Flora of North America species comparison

(tuberous at stem base), subglobose, (lobed or not), (3–)4–10 mm diam., (fleshy).

absent.

erect, unbranched, (0.7–)1–2.5(–3) dm, sparsely to densely hirsute, or glabrous basally, (trichomes (0.2–)0.3–0.6(–0.8) mm).

(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.

simple, (3–)5–15(–18) cm;

petiole (2–)4–12(–16) cm;

blade often orbicular to cordate, sometimes reniform or ovate, (1–)2–6 cm × (7–)17–50 mm, base obtuse to cordate, margins repand or entire.

3–6(–8), simple, petiolate or sessile; (middle) shortly petiolate or (distal) sessile, base not auriculate;

blade oblong to ovate or lanceolate, 2–5 cm × 5–25 mm, margins entire, repand, or coarsely dentate.

(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(–6) × 1.5–2.5 mm, lateral pair not saccate basally, (surfaces often hirsute);

petals usually rose-purple to pink, rarely white, obovate, (7–)8–13(–15) × 3–5 mm, (short-clawed, apex rounded);

filaments: median pairs 4–7 mm, lateral pair 2–4 mm;

anthers oblong, 1.3–1.7 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.

ascending to divaricate, (10–)15–35(–50) mm, sparsely pubescent or glabrous.

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

linear, (1.5–)2–4 cm × 1.5–2 mm;

ovules 10–16 per ovary;

style 2–5 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 to ovoid, 1.7–2.5 × 1–5 mm.

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

= 56, 64, 96, 112, 144.

= 32, 64.