Flora of North America species comparison

simple or few from caudex, erect, unbranched or rarely branched (few) distally, (1–)1.5–4(–5) dm, (glabrous throughout or sparsely pubescent proximally).

simple or few from base (caudex), erect, unbranched or branched (few) distally, 0.6–2.5(–3) dm, (usually pubescent throughout, rarely subglabrate).

petiole 0.5–2.5(–3) cm;

blade oblanceolate to obovate, (0.6–)1–3.5(–4.5) cm × (3–)5–15(–20) mm, margins entire or dentate, (not ciliate), apex obtuse, surfaces uniformly pubescent, trichomes short-stalked, stellate.

petiole 0.5–3(–6) cm, (ciliate);

blade oblanceolate, spatulate, or obovate, (1.5–)2.1–3.5(–6) cm × (5–)8–20(–25) mm, margins entire or dentate, (ciliate), apex obtuse, surfaces pubescent or glabrous, trichomes simple and forked, sometimes mixed with 3- or 4-rayed stellate ones.

3 or 4(–6);

blade linear, oblong or oblanceolate, 1–3(–4) cm × (1.5–)3–7(–10) mm, base cuneate, not auriculate, margins usually entire, rarely few-toothed, apex obtuse, surfaces glabrous or sparsely pubescent at least along margin.

(2 or) 3–6 (or 7);

blade oblong or ovate, 1–2(–4) cm × (2–)4–10(–15) mm, base not auriculate, margins entire or dentate, (ciliate), apex obtuse, surfaces pubescent as basal leaves.

simple.

simple, (dense).

sepals (greenish), oblong, 2.5–4 × 1–1.5 mm, lateral pair saccate basally;

petals white, oblanceolate, 7–9 × 2.5–3.5 mm, apex rounded;

filaments 2.5–4 mm;

anthers oblong, 0.8–1 mm; (gynophore to 0.5 mm).

sepals (purple), oblong, 5–7 × 1.5–2 mm, lateral pair saccate basally;

petals purple, spatulate or broadly so, (12–)14–18 × 4–7 mm, apex obtuse or rounded;

filaments 6–8 mm;

anthers narrowly oblong, 1.2–1.5 mm.

ascending to divaricate, (5–)8–20 mm, (glabrous).

ascending to erect, (3–)5–10(–15) mm.

divaricate, slightly torulose, sometimes slightly curved, slightly flattened, (1.3–)1.7–3.5(–4) cm × 1–1.5 mm;

valves each with obscure midvein extending to middle;

ovules 14–28 per ovary;

style 0.5–1.3 mm.

erect or nearly so, slightly torulose, 2–4 cm × 2–3 mm;

valves each with prominent midvein extending full length or rarely to middle;

ovules 20–28 per ovary;

style 0.2–1(–1.5) mm.

not winged, oblong, 1–1.2 × 0.5–0.6 mm.

narrowly winged throughout, orbicular or suborbicular, 2–2.5 mm in diam.;

wing 0.2–0.4 mm wide (wider distally).

= 32.

= 16.