Flora of North America species comparison

basal;

petiole 5–16 cm;

leaflets 3, green, sometimes with red splotches in irregular medial band adaxially, obtriangular to obcordate, (6–)14–34 mm, lobed 1/4–4/5 length, lobes apically convex to nearly truncate, surfaces glabrous, oxalate deposits absent.

basal, rarely absent at flowering;

petiole 10–22 cm;

leaflets 3, green, obtriangular to broadly obtriangular, 20–50 mm, lobed 1/5–1/3 length, lobes apically truncate, surfaces glabrous, oxalate deposits absent.

umbelliform cymes, 3–10-flowered;

scapes (7–)11–23 cm, glabrous.

umbelliform cymes, 3–12(–18)-flowered;

scapes 7–30 cm, glabrous or sparsely hairy.

distylous or rarely homostylous;

sepal apices with 2(–6) orange, linear, thickened, apically confluent tubercles;

petals white to pale green proximally with green veins, pink to violet or purple-violet distally, (8–)15–23 mm.

semihomostylous;

sepal apices with 2 orange tubercles;

petals usually lavender to purple, less commonly pink or white, 8–12 mm.

cylindric, 4–12 mm, hairy.

ellipsoid, 3–8 mm, glabrous.

= 14.