Flora of North America species comparison

1–3, ascending to erect, ± glabrous or usually puberulent, on caudex from shallow, fleshy rhizome or deep-seated caudex with fleshy roots.

basal and cauline;

basal: 1–6;

stipules deltate, margins laciniate, apex usually long-acuminate;

petiole 3.7–10 cm, puberulent;

blade ovate, deltate, or subreniform, 1–6 × 1.2–4 cm, base usually cordate to subcordate, margins crenate, usually ciliate, apex acute, mucronulate, surfaces usually sparsely puberulent, glabrous early;

cauline similar to basal except: stipules lanceolate, margins ±fimbriate, sometimes stipitate-glandular, sometimes entire, erose, or ± laciniate;

petiole 0.4–9 cm;

blade ovate to deltate, 1.6–4.4 × 1.1–3.6 cm, base subcordate to truncate, margins crenate to ± serrate, ciliate, apex acute to obtuse.

1–10 cm, puberulent.

sepals lanceolate, margins ciliate, auricles 0.5–1.5 mm;

petals white adaxially, upper 2 and sometimes lower 3 deep reddish violet abaxially, all with yellow area basally, lateral 2 with purple patch basally distal to smaller yellow area, bearded, lowest with yellow patch basally, purple-veined, 5–15 mm, spur yellow or greenish, gibbous, 1–2.5 mm;

style head bearded; cleistogamous flowers axillary.

spherical to spherical-ovoid, 5–11 mm, minutely scabrous.

brown-purple, ca. 2 mm.

= 12.