Flora of North America species comparison

1–3, decumbent or ascending to erect, ca. 1/2 subterranean, glabrous, clustered on single, short, vertical, deep-seated caudex.

basal and cauline;

basal: 1–4, palmately compound, ± 2-ternate or 3-ternate, leaflets 3;

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

petiole 5–8 cm, glabrous;

blade ovate to deltate, 2.8–6 × 2.6–6.5 cm, ± coriaceous, base tapered, ultimate lobes narrowly elliptic, lanceolate, or oblanceolate, 1–7 mm wide, margins entire, ciliate or eciliate, apex acute, mucronulate, surfaces glabrous;

cauline similar to basal except: stipules usually lanceolate, sometimes broadly ovate, ± leaflike, margins toothed;

petiole 1.3–6 cm;

blade 2–4.8 × 1.2–5.5 cm.

basal, 2–8, ascending to erect;

stipules linear-lanceolate to broadly lanceolate, margins entire, sometimes distally glandular, apex acute;

petiole 5–25 cm, densely pubescent;

blade unlobed, narrowly ovate to narrowly deltate, 3.5–7 × 2–5 cm, base cordate, margins uniformly crenate to serrate, ciliate or eciliate, apex acute, surfaces usually glabrous, rarely pubescent.

2.5–11 cm, glabrous.

3–25 cm, glabrous or pubescent.

sepals lanceolate to ovate, margins ciliate, auricles 0.5–1 mm;

petals: upper 2 almost black abaxially, dark reddish violet adaxially, lower 3 pale yellow, cream, or ± white, lateral 2 bearded, with deep yellow to orange patch basally, dark reddish violet-veined, lowest with deep yellow to orange patch basally, dark reddish violet-veined, 5–18 mm, spur yellow, gibbous, 0.5–2 mm;

style head bearded; cleistogamous flowers absent.

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

petals light to dark blue- or dark purple-violet or reddish purple, lowest and sometimes lateral 2 purple-veined, lateral 2 bearded, lowest bearded or beardless, 15–25 mm, spur same color as petals, gibbous, 2–3 mm;

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

ellipsoid, 4–12 mm, glabrous.

ellipsoid, 5–12 mm, glabrous.

light brown, shiny, 3.2–3.5 mm.

beige, mottled to bronze, 1.5–2.5 mm.

= 60, 72.

= 54.