Flora of North America species comparison

vertical, 1–3 mm diam., (not fleshy).

cylindrical, slender, to 2 mm diam.

(simple or few to several from base), usually erect, unbranched, (0.3–)0.5–1.2(–1.5) dm.

erect, unbranched, (1.5–)2.5–8.5(–10) dm, sparsely to densely hirsute at base.

sometimes rosulate, usually 3 or 5-foliolate, rarely simple, (1.5–)2.5–7 cm, leaflets petiolulate or sessile;

petiole (1.2–)2–5 cm;

lateral lobes or leaflets sessile, blade similar to terminal, distinctly smaller;

terminal lobe or leaflet petiolulate (0.05–0.6 cm), blade reniform or suborbicular to broadly ovate, 0.3–1 cm × 4–15 mm, base subcordate to rounded, margins entire, repand, or obscurely 2-toothed.

3 (or 5)-foliolate, (4–)7–20(–22) cm, leaflets petiolulate or subsessile;

petiole (2–)4–12(–14) cm;

lateral leaflets subsessile, blade similar to terminal, larger or smaller in size;

terminal leaflet petiolulate [(0.3–)0.5–1.5 cm], blade ovate to broadly lanceolate, 1.5–7(–9) cm, base usually cuneate, rarely subreniform or obtuse, margins 3–5(–7)-lobed or -toothed, surfaces puberulent.

1–3, usually compound, rarely simple, petiolate, leaflets petiolulate or sessile;

petiole (0.2–)0.5–2 cm, base not auriculate;

similar to basal, smaller.

(3 or) 4–8, 3 (or 5)-foliolate, petiolate, leaflets petiolulate or sessile;

petiole 1–4 cm, base not auriculate;

lateral leaflets sessile, blade similar to terminal, smaller, margins usually dentate, rarely entire;

terminal leaflet sessile or petiolulate, blade broadly ovate to narrowly lanceolate, 2–7 cm × 6–40 mm, margins minutely pubescent.

ebracteate.

ebracteate.

sepals oblong, 2–3(–4) × 1.4–1.7 mm, lateral pair not saccate basally;

petals usually purple to pink, rarely white, obovate, 5–7(–9) × 3–4(–5) mm, (clawed, apex rounded);

filaments: median pairs 2.5–3.5 mm, lateral pair 1.5–3.5 mm;

anthers oblong, 0.6–0.9 mm.

sepals oblong, 2.5–4 × 1.3–2 mm, lateral pair saccate basally;

petals usually white, rarely pinkish, obovate, 8–15 × 4–8 mm (clawed, apex rounded or emarginate);

filaments: median pairs 3.5–6 mm, lateral pair 2–3.5 mm;

anthers oblong, 0.8–1.2 mm.

suberect, ascending, or divaricate, 5–12 mm, pubescent.

ascending to divaricate, (9–)12–25 mm.

linear, 1.5–2.5 cm × 1.5–1.8 mm;

ovules 10–14 per ovary;

style 1–2.5 mm.

linear, 1.5–3.2 cm × 1.4–2 mm;

ovules 10–16 per ovary;

style (0.5–)1–4 mm.

brown, oblong to broadly ovoid, 1.7–2.1 × 1.4–1.7 mm.

dark brown, oblong, 1.8–2.3 × 1–1.2 mm.

= 96.

= 40.