Flora of North America species comparison

(tuberous at stem base), subglobose, (lobed or not), (3–)4–10 mm diam., (fleshy).

erect, unbranched, (0.7–)1–2.5(–3) dm, sparsely to densely hirsute, or glabrous basally, (trichomes (0.2–)0.3–0.6(–0.8) mm).

simple, (3–)5–15(–18) cm;

petiole (2–)4–12(–16) cm;

blade often orbicular to cordate, sometimes reniform or ovate, (1–)2–6 cm × (7–)17–50 mm, base obtuse to cordate, margins repand or entire.

3–6(–8), simple, petiolate or sessile; (middle) shortly petiolate or (distal) sessile, base not auriculate;

blade oblong to ovate or lanceolate, 2–5 cm × 5–25 mm, margins entire, repand, or coarsely dentate.

ebracteate.

sepals oblong, 2.5–4(–6) × 1.5–2.5 mm, lateral pair not saccate basally, (surfaces often hirsute);

petals usually rose-purple to pink, rarely white, obovate, (7–)8–13(–15) × 3–5 mm, (short-clawed, apex rounded);

filaments: median pairs 4–7 mm, lateral pair 2–4 mm;

anthers oblong, 1.3–1.7 mm.

ascending to divaricate, (10–)15–35(–50) mm, sparsely pubescent or glabrous.

linear, (1.5–)2–4 cm × 1.5–2 mm;

ovules 10–16 per ovary;

style 2–5 mm.

brown, oblong to ovoid, 1.7–2.5 × 1–5 mm.

= 56, 64, 96, 112, 144.