Flora of North America species comparison

1–3, ascending to erect, usually glabrous, from shallow, fleshy rhizome.

1–5, erect, ascending, or decumbent, sometimes later reclining to nearly prostrate, glabrous or puberulent, on caudex from subligneous rhizome.

basal and cauline;

basal: 2–3;

stipules broadly ovate to deltate or long-lanceolate, margins often glandular (glands sessile or stalked), apex acute;

petiole 0.8–21 cm, glabrous or sparsely pubescent;

blade ovate to reniform, 0.9–5.8 × 1–6 cm, base cordate to ± truncate, margins crenate to crenate-serrulate, usually eciliate, apex rounded or acute to usually obtuse, surfaces glabrous or sparsely pubescent on adaxial veins, seldom on abaxial veins;

cauline similar to basal except: stipules broadly ovate to lanceolate-oblong or deltate, apex acute to acuminate;

petiole 2.2–12.1 cm;

blade 1.9–4.2 × 1.8–5.9 cm.

basal and cauline;

basal: 1–4;

stipules linear to linear-lanceolate, margins entire or laciniate with gland-tipped projections, apex acute to acuminate;

petiole 0.5–13.5 cm, glabrous or puberulent;

blade usually ovate or ovate-deltate to ovate-orbiculate, sometimes ± reniform or oblong, 0.5–6.9 × 0.4–5 cm, base cordate, subcordate, truncate, or attenuate, usually decurrent on petiole, margins crenate to crenulate or entire, ciliate or eciliate, apex acute to obtuse, surfaces glabrous or sparsely to densely puberulent;

cauline similar to basal except: stipule margins lacerate to laciniate;

petiole 0.5–6.5 cm;

blade 0.6–5.5 × 0.4–4.7 cm.

2.2–20.7 cm, glabrous or sparsely pubescent.

1.7–13.8 cm, glabrous or puberulent.

sepals lanceolate to ovate, margins eciliate, auricles 0.5–1.5 mm;

petals light to deep violet on both surfaces, lower 3 white basally and light to deep violet-veined, lateral 2 bearded, lowest 12–24 mm, spur white to violet, gibbous to elongated, 2–5 mm, usually less than 1/2 lowest petal, tip straight;

style head usually beardless, sometimes bearded; cleistogamous flowers axillary.

sepals lanceolate, margins ciliate or eciliate, auricles not enlarged in fruit, 0.5–2 mm;

petals light- to deep- to lavender-violet on both surfaces, rarely white, lower 3 usually white basally, dark violet-veined, lateral 2 (and sometimes upper 2) bearded, lowest 7–17(–23) mm, spur purple to violet or white, elongated, 5–7 mm, tip straight or pointed, curved up or lateral;

style head sparsely to densely bearded, sometimes beardless; cleistogamous flowers axillary.

ovoid to oblong, 7.5–13 mm, glabrous.

short-ovoid, 6–11 mm, glabrous.

dark olive to ± black, 2.5–2.8 mm.

dark brown to olive-black, 1.5–2 mm.

= 12.