Flora of North America species comparison

1(–2), erect, leafless proximally, leafy distally, glabrous or sparsely puberulent, from fleshy rhizome.

basal, 2–6, ascending to erect;

stipules ovate to linear-lanceolate, margins entire or glandular-toothed, apex acute;

petiole 1–10 cm, strigose;

blade unlobed, reniform to ovate, 1–6.5 × 1–5.5 cm, base broadly or shallowly cordate, margins ± entire or shallowly crenate, eciliate, apex rounded to acute, surfaces usually glabrous, abaxial surfaces sometimes puberulent on proximal 1/2.

basal and cauline;

basal: 0–1;

stipules ovate to lanceolate, margins laciniate with gland-tipped projections, apex usually acuminate;

petiole 3–11.5 cm, usually glabrous;

blade sometimes gray-green abaxially, usually mottled light green adaxially, widely or narrowly hastate to ovate, 2.5–4.4 × 1.8–3.2 cm, base hastate to cordate or truncate, margins serrate or crenate, ciliate or eciliate, apex acute, surfaces usually glabrous, sometimes scabrous;

cauline similar to basal except: leaves usually restricted to distal ends of naked stems;

petiole 1–2.5 cm;

blade 2–10 × 1.1–4.5 cm.

2.5–11(–21) cm, usually glabrous, sometimes villous.

1–5.3 cm, usually glabrous.

sepals lanceolate to ovate, margins eciliate, auricles 0.5–2 mm;

petals white on both surfaces, lower 3 purple-veined, lateral 2 bearded, rarely beardless, lowest 6–12 mm, spur white, gibbous, 1–2.5 mm;

style head beardless; cleistogamous flowers on ascending peduncles.

sepals lanceolate to ovate, margins mostly eciliate, auricles 0.5–1 mm;

petals lemon-yellow usually on both surfaces, lower 3 and sometimes upper 2 brownish purple-veined, lateral 2 bearded, lowest 9.5–12 mm, spur yellow to greenish, gibbous, 0.5–2 mm;

style head bearded; cleistogamous flowers axillary.

ovoid, 5–9 mm, glabrous.

ovoid to ellipsoid, 6–8 mm, glabrous.

beige to bronze, 1–1.5 mm.

beige to bronze, 2–2.5 mm.

= 24.

= 12.