Flora of North America species comparison

1(–3) from base, mostly erect, 10–25 cm, herbaceous, sparsely to moderately villous, hairs nonseptate and usually septate.

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.

cauline;

stipules rudimentary;

petiole (2–)3–5(–6) cm, hairs septate and nonseptate;

leaflets 3, green, obcordate, (8–)10–16(–20) mm, lobed 1/5–1/3 length, margins green, surfaces glabrous to sparsely strigose, oxalate deposits absent.

umbelliform cymes, 3–10-flowered;

scapes (7–)11–23 cm, glabrous.

umbelliform cymes, 1–3-flowered;

peduncles (2–)4–8(–10) cm.

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.

tristylous, above level of leaves;

sepal apices without tubercles;

petals yellow, 12–20 mm.

cylindric, 4–12 mm, hairy.

oblong-cylindric, 10–15 mm, densely puberulent.

= 14.

= 24.