Flora of North America species comparison

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

1–10+, decumbent, ascending, or erect, leafy proximally and distally, glabrous or puberulent, from shallow to deep-seated, enlarged rhizome with fleshy to subligneous roots.

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.

cauline;

stipules ovate, linear-lanceolate, or oblanceolate, sometimes leaflike, margins entire or glandular-toothed, apex acute to acuminate;

petiole 2.7–7.2 cm, usually finely puberulent, sometimes glabrate;

blade deltate to ovate, 1–5.5 × 1–5.5 cm, base truncate, subcordate, or attenuate, margins crenate to serrate, ciliate, apex acute to obtuse, surfaces subglabrous or sparsely puberulent.

2–8 cm, glabrous or pubescent.

2.9–20 cm, sparsely to densely puberulent.

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 lanceolate to ovate, margins ciliate or eciliate, auricles 1–3 mm;

petals golden yellow adaxially, upper 2 reddish brown abaxially, lower 3 dark brown-veined, lateral 2 bearded, lowest 10–20 mm, spur dark reddish brown, gibbous, 2–4 mm;

style head bearded; cleistogamous flowers absent.

ovoid to ellipsoid, 7–13 mm, glabrous.

ellipsoid, 5–11 mm, glabrous.

light to dark brown, shiny, 2–2.2 mm.

dark brown or black, shiny, 2.7 mm.

= 24.

= 12.