Flora of North America species comparison

1–6, ascending to erect, leafy proximally and distally, ca. 1/2 subterranean, puberulent, on caudex from usually vertical, subligneous rhizome.

basal and cauline;

basal: 1–6;

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

petiole 2–17 cm, glabrous or minutely puberulent;

blade lanceolate, ovate, or elliptic, 1–9 × 0.6–2.5 cm, base attenuate, margins entire or serrulate, sometimes sinuate, ciliate, apex acute to obtuse, mucronulate, surfaces glabrous or puberulent;

cauline similar to basal except: stipules adnate to or free from petiole, linear to linear-lanceolate or linear-oblong, sometimes leaflike, margins usually entire, rarely laciniate or glandular, apex acute to acuminate;

petiole 2–7 cm;

blade 1.4–7.2(–10) × 1.1–2.3 cm, length 1.3–4.4 times width, apex acute.

1–4.5 cm, glabrous or pubescent.

3–13 cm, glabrous or puberulent.

sepals ovate to lanceolate, margins ciliate or eciliate, auricles 0.5–2 mm;

petals white or cream to pale bluish violet on both surfaces, dark purple-veined, lateral 2 longer than sepals, bearded, lowest 8–10 mm, spur white to blue-violet, gibbous, 1–1.5 mm, shorter than or equaling sepal auricles;

style head bearded; cleistogamous flowers axillary.

sepals linear-lanceolate, margins eciliate, auricles 0.5–1 mm;

petals deep lemon-yellow adaxially or on both surfaces, upper 2 often brownish purple abaxially, lower 3 dark brown- to brownish purple-veined, lateral 2 sparsely bearded, lowest 6–13 mm, spur yellow, gibbous, 0.5–1.5 mm;

style head bearded; cleistogamous flowers axillary.

ellipsoid to oblong, 4–7 mm, glabrous.

subglobose to ovoid, 4–10 mm, usually glabrous, rarely finely puberulent.

beige to bronze, 0.3–1.5 mm.

medium brown, 2–3.2 mm, elaiosome extending over 1/3 length of seed and completely covering funiculus.

= 34.

= 24.