Flora of North America species comparison

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

often elongated, usually slender, rarely thickened, 1–2(–5) mm diam., (not 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 or few to several from base), erect to ascending, (not flexuous), unbranched basally, sometimes branched distally, (0.3–)0.8–2.5(–3) dm.

(sometimes withered by anthesis), rosulate, pinnately compound, (3 or) 5 or 7 (or 9)-foliolate, 2–5(–9) cm, leaflets petiolulate or subsessile;

lateral leaflets shortly petiolulate or subsessile, blade usually broadly ovate, rarely broadly obovate or orbicular, smaller than terminal, margins usually entire, rarely slightly 3 (or 5)-lobed or crenate;

terminal leaflet subsessile, blade reniform or orbicular, 0.4–0.8(–1.2) cm × 5–9(–16) mm, margins entire or 3 (or 5)-lobed or crenate.

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.

3–5(–7), 3–7 (or 9)-foliolate, petiolate, leaflets subsessile or sessile;

base not auriculate;

lateral leaflets: blade narrowly obovate, oblanceolate to linear, margins similar to terminal;

terminal leaflet blade narrowly obovate, ovate, oblanceolate, lanceolate, oblong, margins usually entire, sometimes 3-lobed or crenate.

ebracteate.

ebracteate, (subumbellate, 2–8(–14)-flowered, rachis usually 3–20 mm).

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.

sepals (greenish or purplish), oblong, 1–2 × 0.5–1 mm, lateral pair not saccate basally;

petals white, narrowly obovate, 2.5–5 × 1–3 mm.

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

suberect to ascending, 3–8(–10) mm.

linear, (1.5–)2–4 cm × 1.5–2 mm;

ovules 10–16 per ovary;

style 2–5 mm.

linear, (torulose), (1.3–)1.8–2.5(–3) cm × 0.8–1.5(–2) mm; (valves glabrous or sparsely pubescent);

style 0.5–2 mm.

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

brown, oblong, 1–1.5 × 0.8–1 mm.

= 56, 64, 96, 112, 144.

= 32, 36, 48.