Flora of North America species comparison

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

(tuberiform, fragile), moniliform, segments fusiform, 2–10(–20) mm diam. (fleshy).

erect, unbranched, 1–3 dm.

erect, unbranched, (1–)2–4(–5.5) dm, glabrous or pubescent distally.

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-foliolate, (7–)10–20(–30) cm, leaflets sessile;

petiole (4–)7–18(–25) cm;

lateral leaflets similar to terminal, blade sometimes smaller;

terminal leaflet blade oblong, lanceolate, oblanceolate, or linear, 2.5–6 cm, base cuneate, margins coarsely dentate to incised, laciniate, or 3-lobed (lobes usually toothed to incised, rarely entire, surfaces puberulent or not, trichomes 0.2–0.3 mm).

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 or) 3, 3-foliolate (usually whorled or opposite, rarely alternate, similar in morphology to rhizomal leaves), petiolate, leaflets petiolulate or subsessile;

petiole (1–)1.5–6(–7.5) cm, base not auriculate;

lateral leaflets sessile, blade similar to terminal, sometimes smaller;

terminal leaflet subsessile or petiolulate (to 3 cm), blade lanceolate, linear, or oblanceolate, (3–)4–10(–12) cm × (3–)5–20(–25) mm, margins usually coarsely dentate to incised, rarely subentire (margins minutely puberulent).

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 oblong, (4–)5–8 × 2–4 mm, lateral pair slightly saccate basally;

petals white to pale pink, oblanceolate, (8–)10–20 × (3–)4–7(–9) mm, (short-clawed, apex rounded);

filaments: median pairs 8–12 mm, lateral pair 6–8 mm;

anthers oblong-linear, 1.5–2.5 mm.

divaricate to ascending, 7–24 mm.

ascending to divaricate, (6–)10–27(–33) mm.

linear, 3.2–5.4 cm × 2.2–4 mm;

ovules 10–14 per ovary;

style 4–7 mm.

linear-lanceolate, (2–)2.5–3.8(–4.8) cm × 1.5–3 mm; (valves glabrous or sparsely pubescent);

ovules 10–14 per ovary;

style (2–)5–9(–12) mm.

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

brown, oblong, 1.6–3 × 1.8–2 mm.

= 128–256.