Flora of North America species comparison

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

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, 5 or 6, prostrate to ascending;

stipules linearlanceolate, margins entire, apex acute;

petiole 1.5–7 cm, usually glabrous;

earliest leaf blades ± ovate, sometimes 3-lobed, mid-season blades 7–9-lobed, 1–9 × 1–10 cm, base broadly cordate to cordate, middle lobes narrowly elliptic, lanceolate, spatulate, or obovate, (rarely linear), lateral lobes lanceolate or spatulate to falcate, margins usually entire, sometimes serrate, sometimes with narrowly deltate or falcate appendages or teeth, ciliate or eciliate, apex acute to mucronulate, surfaces usually glabrous.

1.1–7 cm, glabrous.

2–20 cm, usually glabrous.

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 to ovate, margins ciliate or eciliate, auricles 0.5–1 mm;

petals light to dark blue-violet on both surfaces, lower 3 and sometimes upper 2 white basally, lower 3 darker violet-veined, lateral 2 densely bearded, spur sometimes bearded, lowest 15–25 mm, spur usually lilac, sometimes whitish, gibbous, 2–3 mm;

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

ovoid, 7–12 mm, glabrous.

ellipsoid, 11–14 mm, glabrous.

tan, 3.2–4.5 mm.

beige, mottled to bronze, 2–3 mm.

= 54.