Flora of North America species comparison

1–5, usually erect, sometimes prostrate or decumbent, branched, subglabrous or puberulent, clustered on taproot.

1–3+, ascending to erect, leafless proximally, leafy distally, glabrous or puberulent, from subligneous rhizome.

cauline;

stipules palmately lobed, middle lobe oblanceolate, obovate, elliptic, or lanceolate, ± equaling leaf blade, proximal lobes dissected, shorter, margins ciliate, apex acute to obtuse;

petiole 0.5–2.3 cm, glabrous or puberulent;

blade: proximal ovate to ± oblong, distal narrowly or broadly lanceolate, 0.8–3.4 × 0.3–1.9 cm, base attenuate to ± truncate, margins coarsely crenate-serrate, ciliate or eciliate, apex acute to obtuse, surfaces pubescent abaxially, at least on major veins, glabrous adaxially.

basal and cauline;

basal: 0–4;

stipules ovate to lanceolate, margins entire, coarsely toothed, or crenate, apex acute or obtuse;

petiole 2.7–19.6 cm, lanceolate, margins ciliate or eciliate, auricles 0.1–0.5 mm;

petals lemon-yellow on both surfaces, lower 3 brownish purple-veined, lateral 2 and sometimes others, bearded, lowest 8–18 mm, spur yellow to greenish, gibbous, 1–2.5 mm;

style head bearded; cleistogamous flowers axillary.

2–8 cm, glabrous or pubescent.

sepals lanceolate, margins ciliate or eciliate, auricles 2–4 mm;

petals white to pale yellow on both surfaces, upper 2 ± violet, lower 3 with yellow basal area, often violet-veined, lateral 2 bearded, ± equaling or shorter than sepals, lowest with dark yellow area basally, 7–15 mm, spur blue-violet to purple, elongated, 3–5 mm;

style head bearded; cleistogamous flowers absent.

± spherical, 5–9 mm, glabrous.

ellipsoid, 8–12(–20) mm, glabrous or tomentose.

brown, 1.5–1.9 mm.

brown, 1.8–3 mm.

= 34.

= 12.