Flora of North America species comparison

ovoid to oblong, (3–)4–18 mm diam., (fleshy, deeply underground).

(tuberiform, fragile), globose to ovoid or suboblong, (3–)4–10 mm diam., (fleshy, deeply underground).

erect, unbranched, 1–3 dm.

erect, unbranched, (2–)2.7–6(–7)dm, usually glabrous, rarely pubescent.

simple, 1.2–2.3 cm;

petiole 6.7–19.5 cm;

blade orbicular to reniform, or cordate to broadly ovate, 2.7–5.5 cm × 30–68 mm, base cordate to subtruncate, margins with obtuse teeth terminating in apiculae.

3 (or 5–7)-foliolate, sometimes simple, 8–25(–38) cm, leaflets petiolulate or subsessile;

petiole (5–)8–25(–32) cm;

lateral leaflets (when present) petiolulate to subsessile, blade similar to terminal, sometimes smaller;

terminal leaflet (petiolule (0.7–)2–5(–11) cm), blade (of simple leaf) ovate to orbicular to broadly cordate or reniform, (1.5–)2.5–7.5(–10) cm × (12–)20–90(–130) mm, base obtuse to cordate, margins entire or dentate to shallowly sinuate, (often with apiculae at veins ending at margin, sometimes minutely pubescent on veins).

2–5, (crowded distally), simple;

petiole 0.3–2.6 cm, base not auriculate;

blade similar to basal, 1.8–5.5 cm × 12–47mm, base cuneate or obtuse to subcordate, marginal teeth apiculate.

2–5, usually 3 (or 5)-foliolate, rarely simple, petiolate, leaflets petiolulate or sessile;

petiole 1–5(–9) cm, base not auriculate;

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

terminal leaflet sessile or petiolulate, blade usually broadly ovate to suborbicular or lanceolate, rarely narrowly oblong, 1–7 cm × (5–)10–47(–65) mm.

ebracteate.

ebracteate.

sepals oblong, 4–7 × 2–2.5 mm, lateral pair saccate basally;

petals usually pink or purple, rarely white, obovate to oblanceolate, 14–18 × 5–7 mm, (claw to 9 mm, apex rounded);

filaments: median pairs 7–8 mm, lateral pair 5.5–6.5 mm;

anthers oblong, ca. 1.5 mm.

sepals (erect to ascending), oblong, 3.5–4.5(–5.5) × 1.5–2(–2.5) mm, lateral pair saccate basally;

petals white to pale rose, often broadly obovate, 8–13(–15) × 4–8 mm (clawed, apex rounded);

filaments: median pairs 4–6.5 mm, lateral pair 3–4 mm;

anthers oblong, 1.2–1.7 mm.

divaricate to ascending, 7–24 mm.

ascending to divaricate, 10–33(–41) mm.

linear, 3.2–5.4 cm × 2.2–4 mm;

ovules 10–14 per ovary;

style 4–7 mm.

linear, 2.2–5.4(–6) cm × 2–3 mm;

ovules 12–22 per ovary;

style 2–5(–6) mm.

brown, broadly ovoid, 2–2.8 × 1.8–2.5 mm.

dark brown, oblong to broadly ovoid, 1.7–2.8 × 1.2–1.8 mm.

= 32.