Flora of North America species comparison

1–3, decumbent or ascending to erect, ca. 1/2 subterranean, glabrous or puberulent, from single, short, vertical, deep-seated caudex.

1–4, decumbent or ascending to erect, glabrous, on caudex from fleshy rhizome.

basal and cauline;

basal: 1–6, bipinnately compound, leaflets 3–5;

stipules adnate to petiole forming 2 linear-lanceolate wings, unlobed, margins entire, apex of each wing free, acute to acuminate;

petiole 5–6.8 cm, glabrous or puberulent;

blade ovate, 3.5–5 × 2.4–3.5 cm, base tapered, leaflets 3–5-lobed, lobes linear, narrowly elliptic, or oblong, 1–2.5(–5) mm wide, margins entire, usually densely ciliate, apex acute to obtuse, mucronulate, surfaces glabrous or puberulent;

cauline similar to basal except: stipules ovate to linear-lanceolate, margins entire or toothed, apex acute;

petiole 0.9–4 cm;

blade 1.1–4.1 × 1–3.6 cm.

basal and cauline;

basal: 2–3;

stipules lanceolate, margins fimbriate, apex acute;

petiole 1.5–6(–14) cm, glabrous;

blade broadly ovate to deltate, 1.3–2.9(–4.1) × 1.3–2.9 cm, base cordate to truncate, margins crenate, eciliate, apex obtuse to rounded, surfaces glabrous;

cauline similar to basal except: petiole 1.3–6.5 cm;

blade 1.1–2.2 × 0.7–1.6 cm.

2–12.5 cm, glabrous or puberulent.

2.5–7(–11.2) cm, glabrous.

sepals lanceolate, margins ciliate, auricles 0.5–1.5 mm;

petals light golden yellow adaxially, upper 2 dark brown to ± black abaxially, lower 3 dark brown-veined, lateral 2 bearded, lowest 8–21 mm, spur dark greenish to dark brown, gibbous, 1.5–2 mm;

style head bearded; cleistogamous flowers absent.

sepals lanceolate to linear-lanceolate, margins eciliate, auricles 0.5–1.5 mm; all petals usually pale purple, sometimes almost white adaxially, lateral 2 and lowest purple-veined, lateral and upper 2 violet abaxially, white basally, lateral 2 bearded, lowest 10–16(–18) mm, spur greenish to pale lime green, gibbous, 1.6–3 mm;

style head bearded; cleistogamous flowers unknown.

spherical to oblong, 5–12 mm, glabrous.

ovoid, 3–7 mm, glabrous.

light brown, 2.8–3.3 mm.

pale yellow, 2.4–2.8 mm.

= 24, 48.