Flora of North America species comparison

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

basal, 4–7, ascending to erect;

stipules lanceolate, margins entire or fimbriate, apex acute;

petiole 2–25 cm, usually glabrous;

blade usually grayish green or purplish green abaxially, unlobed, ovate, reniform, or broadly reniform to orbiculate, 1–7 × 1–7 cm, somewhat fleshy, base broadly cordate or reniform to ± truncate, margins crenate to serrate, ciliate or eciliate, apex acute to obtuse or rounded, surfaces usually glabrous, rarely sparsely pubescent.

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.

3–25 cm, usually glabrous.

2.5–7(–11.2) cm, glabrous.

sepals ovate, margins usually eciliate, auricles 1–2 mm;

petals deep bluish violet on both surfaces, lower 3 white basally and darker violet-veined, lateral 2 bearded, upper 2 sometimes sparsely bearded, lowest densely bearded or beardless, 10–28 mm, spur same color as petals, gibbous, 2–3 mm;

style head beardless; cleistogamous flowers on erect to ascending peduncles.

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.

ovoid, 5–10 mm, glabrous.

ovoid, 3–7 mm, glabrous.

beige to brown or dark brown, 1.5–2.5 mm.

pale yellow, 2.4–2.8 mm.

= 54.