Flora of North America species comparison

1–3, erect or prostrate, leafless proximally, leafy distally, glabrous or finely puberulent, on caudex from fleshy rhizome.

basal and cauline;

basal: 0–4(–7);

stipules ovate to obovate, margins entire, crenate, or serrate, usually glandular, apex acute to obtuse;

petiole 7–27.5 cm, glabrous or puberulent;

blade usually reniform to ovate, sometimes orbiculate, 3.3–8.5 × 2–9.3 cm, base cordate, margins crenate to serrate, ciliate or eciliate, apex acute to obtuse, mucronulate, surfaces glabrous or finely puberulent;

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

stipules ovate to oblong, margins erose or subserrate, often glandular, apex acute to acuminate;

petiole 0.2–2.9 cm, glabrous or finely puberulent;

blade ovate to deltate, 1.4–5.7 × 0.8–4.7 cm, base cordate to truncate, margins crenate to ± serrate, ciliate (sometimes limited to proximal half), apex acute.

basal, 2–6(–9), ascending to erect;

stipules linear-lanceolate, margins entire or irregularly lacerate (at least distally), apex acute;

petiole 2–12 cm, glabrous or pubescent;

blade unlobed, lanceolate or narrowly elliptic to nearly linear, 2.5–12 × 0.7–2.5 cm, longer than wide, base attenuate, margins serrate, mostly eciliate, apex acute, mucronulate, surfaces glabrous.

2–8 cm, glabrous or pubescent.

2–17 cm, usually pubescent.

sepals linear-lanceolate, margins eciliate, auricles 0.5–1 mm;

petals deep lemon-yellow on both surfaces, lower 3 and sometimes upper 2 brownish purple-veined, lateral 2 bearded, lowest 6–18 mm, spur yellow to greenish, gibbous, 0.5–2 mm;

style head bearded; cleistogamous flowers axillary.

sepals ovate to lanceolate, margins mostly eciliate, auricles 1–2 mm;

petals white on both surfaces, lowest and sometimes lateral 2 purple-veined, lateral 2 sparsely bearded or beardless, lowest 7–12 mm, spur white, gibbous, 1–2 mm;

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

ovoid to ellipsoid, 7–13 mm, glabrous.

ellipsoid, 5–8 mm, glabrous.

light to dark brown, shiny, 2–2.2 mm.

beige to bronze, 1.5–2.5 mm.

= 24.

= 24.