Flora of North America species comparison

simple or few from base (caudex), erect, usually unbranched, rarely branched (few) distally, (0.7–)1–3.8(–4.5) dm, (glabrous throughout or sparsely pubescent basally to distally).

simple or few from base (caudex), erect, usually unbranched, rarely branched (few) distally, 2.2–5.5(–6.7) dm, (usually pubescent throughout, rarely subglabrate distally, trichomes stellate).

petiole (0.4–)1–3(–4.5) cm, (glabrous or sparsely ciliate);

blades oblanceolate, spatulate, or obovate, (0.7–)1.2–3 cm × 5–17(–22) mm, margins entire or dentate, (often ciliate), apex obtuse, surfaces glabrous or sparsely pubescent, trichomes short-stalked, forked and simple.

petiole 1–4(–5) cm, (rarely minutely ciliate near base);

blade oblanceolate to obovate, (0.8–)2–4.5(–6) cm × (4–)10–20(–25) mm, margins entire, repand, or dentate, (not ciliate), apex obtuse, surfaces pubescent, trichomes short-stalked, stellate.

(2 or) 3–5 (or 6);

blade linear, oblong, obovate, or oblanceolate, 0.7–3(–4) cm × 3–8 mm, base cuneate, not auriculate, margins usually entire, rarely few-toothed, apex obtuse, surfaces usually glabrous, rarely margins ciliate.

(2–)4–6(–9);

blade oblong or ovate, 1–3.5(–4.5) cm × (3–)6–10(–20) mm, base not auriculate, margins entire, repand, or dentate, apex obtuse or acute, surfaces pubescent, trichomes short-stalked, stellate.

simple, (dense or lax).

simple, (dense).

sepals (greenish), oblong, 3–4 × 1.5–2 mm, (usually glabrous, rarely with few trichomes subapically), lateral pair saccate basally;

petals white, spatulate, 7–11 × 2.5–4 mm, apex rounded;

filaments 3.5–5 mm;

anthers oblong, 0.8–1 mm.

sepals (purple), oblong, (4–)5–6.5(–8) × 1.5–2 mm, lateral pair saccate basally;

petals purple, spatulate, (10–)12–16(–20) × 4–6(–7) mm, apex rounded;

filaments (4–)5–8 mm;

anthers narrowly oblong, 1.3–2 mm.

suberect, ascending, or divaricate, (2–)4–17(–22) mm, (glabrous).

ascending to divaricate, 7–18(–25) mm.

ascending to suberect, (not appressed to rachis), slightly torulose, sometimes slightly curved, strongly flattened, (2–)2.5–4(–4.6) cm × 1.7–2.2 mm;

valves each with prominent midvein extending full length;

ovules 14–26 per ovary;

style 0.5–1.2(–1.6) mm, (slender).

suberect to divaricate, sometimes slightly curved, slightly torulose, (2.8–)3.5–6 cm × 1.5–2 mm;

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

ovules 20–34 per ovary;

style 0.5–1(–1.5) mm.

winged distally, oblong to broadly ovate, (1.5–)1.8–2.5(–3) × 1–1.3 mm;

wing (0.2–)0.4–0.8(–1) mm wide.

winged distally, oblong, 1.7–2.2 × 0.9–1.2 mm;

wing 0.2–0.5 mm wide.

= 32.