Flora of North America species comparison

1–3, prostrate or erect, leafy proximally and distally, puberulent or canescent to gray-tomentose, sometimes glabrous, on caudex from subligneous rhizome.

canescent to gray-tomentose.

basal and cauline;

basal: 1–4;

stipules adnate to petiole forming 2 linear-lanceolate wings, margins entire or laciniate, apex of each wing free, tips usually filamentous;

petiole 2.3–9.5 cm, puberulent or canescent;

blade purple-tinted abaxially or not, usually linear to narrowly lanceolate, oblanceolate or obovate, or lanceolate-elliptic, rarely ovate, 1.3–5 × 0.3–2.5 cm, base attenuate, margins usually lacerate, dentate, or serrate, sometimes entire, usually undulate, ciliate, apex acute, mucronulate, surfaces puberulent to canescent or gray-tomentose;

cauline similar to basal except: stipules lanceolate, oblanceolate, or linear-oblong, margins entire or lacerate, apex acute to acuminate;

petiole 0.9–8.3 cm;

blade 2.8–9.6 × 0.3–1.4 cm, length 4–11 times width.

basal: petiole 2.3–5.5(–7.5) cm;

blade usually not purple-tinted abaxially, usually linear to narrowly lanceolate, sometimes oblanceolate or obovate, 1.7–4 × 0.3–1 cm, margins irregularly serrate or lacerate, surfaces canescent, sometimes appearing gray-tomentose;

cauline similar to basal except: petiole 0.9–4.4 cm, canescent;

blade 1.5–4 × 0.3–0.5(–0.9) cm.

2.9–11.5 cm, puberulent or canescent.

2.9–6(–7) cm.

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

petals deep lemon-yellow adaxially, upper 2 red- to purple-brown abaxially, lower 3 dark brown-veined, lateral 2 bearded, lowest 5–12 mm, spur color same as petals, gibbous, 1.5–3 mm;

style head bearded; cleistogamous flowers axillary.

lowest petal 5–9 mm.

ovoid, 3.5–7 mm, puberulent.

medium to dark brown, 2–3.5 mm.

= 12.