Flora of North America species comparison

1–4, decumbent, ascending, or erect, ca. 1/2 subterranean, glabrous, from single, vertical, deep-seated caudex.

1–4, prostrate, decumbent, or erect, leafy proximally and distally, glabrate or sparsely puberulent, on caudex from subligneous rhizome.

basal and cauline;

basal: 1–7, palmately compound, leaflets 3–5;

stipules adnate to petiole, forming 2 linear-lanceolate wings, unlobed, margins entire, apex of each wing free, acute;

petiole 4.5–15 cm, glabrous;

blade reniform or ovate to ± orbiculate, 2–5 × 2.5–5 cm, coriaceous, base tapered, leaflets cleft or dissected into 2–3 elliptic, lanceolate, or oblanceolate lobes 2–7 mm wide, margins usually entire, eciliate, apex acute, mucronulate, surfaces glabrous (± glaucous), abaxial surface usually with prominent vein parallel to each margin;

cauline similar to basal except: stipules lanceolate;

petiole 1–5.5 cm;

blade 1–3 × 2–4.5 cm.

basal and cauline;

basal: 1–3;

stipules adnate to petiole, forming 2 linear-lanceolate wings, margins entire or laciniate with glandular hairs, apex of each wing free, acute, sometimes divided into several filiform processes;

petiole 2–8(–12) cm, glabrate or sparsely puberulent;

blade usually broadly ovate, sometimes ± orbiculate, 1–4.5 × 0.7–3.4 cm, base usually attenuate, rarely truncate or subcordate, margins ± coarsely crenate-serrate, ciliate, apex obtuse, surfaces glabrate or sparsely puberulent;

cauline similar to basal except: stipules lanceolate or linear-lanceolate to linear, margins ± entire or lacerate to laciniate with sparse gland-tipped projections, apex acute to acuminate, often divided into 2–4 filiform processes;

petiole 3–8.7 cm;

blade ovate to oblong-ovate or oblong-lanceolate, 0.7–1.6 × 2.6–3.7 cm, margins shallowly serrate, irregularly crenate, or ± entire, apex acute to obtuse.

1.1–7 cm, glabrous.

4–10 cm, glabrate or sparsely puberulent.

sepals lanceolate, margins eciliate, auricles 0–1 mm;

petals: upper 2 often overlapping, dark reddish violet on both surfaces, lower 3 lilac, rarely white, lateral 2 bearded, with yellow patch basally and reddish violet patch distal to yellow patch, lowest 9–15 mm with yellow patch, dark reddish violet-veined, spur yellow, gibbous, 0.6–1.5 mm;

style head bearded; cleistogamous flowers absent.

sepals lanceolate, margins ciliate or eciliate, auricles 1–1.5 mm;

petals deep lemon-yellow adaxially, upper 2 and sometimes lateral 2 reddish brown to brownish purple abaxially, lower 3 and sometimes upper 2 dark brown-veined, lateral 2 sparsely bearded, lowest 10–13 mm, spur yellow, gibbous, 0.5–1.5 mm;

style head bearded; cleistogamous flowers axillary.

ovoid, 7–12 mm, glabrous.

± spherical, 6–7 mm, glabrous or finely puberulent.

tan, 3.2–4.5 mm.

brown, ca. 3 mm.

= 24.