Flora of North America species comparison

usually simple from base, erect to ascending, often branched proximally, (0.6–)1–2(–2.5) dm.

simple or few from base (caudex), erect, unbranched, (0.6–)1.5–3.5(–4.5) dm, (sparsely to densely hirsute basally or throughout).

petiole 0–1 cm;

blade spatulate, oblanceolate, oblong, or obovate, (0.4–)1–4(–5) cm × (3–)6–15(–20) mm, margins dentate to denticulate, apex obtuse or acute, surfaces usually pubescent, rarely subglabrate, trichomes stellate with simple rays.

petiole 0.3–1.5 cm, (ciliate);

blade oblanceolate to obovate, (0.5–)1–3(–4) cm × (2–)3–6(–10) mm, margins entire, repand, or obtusely dentate, (ciliate), apex obtuse, surfaces pubescent, trichomes usually simple, sometimes mixed with fewer forked ones, rarely subglabrate.

3–5(–6);

blade oblong or ovate, 1–3 cm × 5–15 mm, base subcordate or auriculate, margins usually dentate, rarely subentire, apex acute or obtuse.

3–6 (or 7);

blade oblong, 0.4–1(–1.5) cm × (1–)2–4 mm, base not auriculate, margins entire or repand, apex obtuse.

simple, (lax).

simple, (dense).

sepals oblong, 2.5–4(–4.7) × 1–2 mm, lateral pair conspicuously saccate basally;

petals white, spatulate to obovate, 5–8(–9) × 2–3.5 mm, apex obtuse;

filaments 3–5 mm;

anthers oblong, 0.7–1.2 mm.

sepals (purple), oblong, 4–8 × 1.5–2.5 mm, lateral pair saccate basally;

petals purple, spatulate, (9–)10–18(–20) × (2.5–)3.5–6(–8) mm, apex obtuse;

filaments 4–9 mm;

anthers oblong, 1.5–2 mm.

ascending to divaricate, 4–10(–12) mm.

ascending to suberect, 8–12(–15) mm, (subglabrate or sparsely pubescent).

ascending to spreading, torulose, 1.7–3.5(–4) cm × 1–1.7 mm;

valves each with midvein absent or obscure, along proximal 1/2;

ovules 34–50 per ovary;

style 0.3–0.6 mm.

ascending to suberect, not torulose, sometimes slightly curved, 3.5–6.5 cm × 1.5–2 mm;

valves each with prominent midvein extending full length;

ovules 24–36 per ovary;

style (0.7–)1–2 mm.

narrowly winged throughout, ovate, 1–1.4 × 0.9–1.1 mm;

wing 0.1–0.2 mm wide.

narrowly winged nearly throughout except wider distally, oblong, 1.5–2.3 × 1–1.3 mm;

wing 0.1–0.3 mm wide.

= 16.

= 32.