Flora of North America species comparison

mostly 1–3 from base, erect, 5–20(–30) cm, becoming woody proximally, finely hirtellous-villous.

basal;

petiole 11–30 cm;

leaflets 3, green to purplish abaxially, green adaxially, rounded-obcordate, 18–20 mm, margins densely loosely ciliate, lobed 1/5–1/3 length, lobes apically convex, surfaces evenly strigose-villous to strigose-hirsute, oxalate deposits in dots concentrated mostly toward margins or over whole surface.

cauline;

stipules brownish, linear-setiform, margins without flanges, apical auricles absent;

petiole (0.5–)1–3 cm;

leaflet 1, dull gray-green, suborbiculate to oblong-obovate or ovate, 5–37 mm, not lobed, apex concave or truncate to retuse and apiculate, surfaces strigose-hirsute, oxalate deposits absent.

usually umbelliform cymes, less commonly in irregular cymes, 3–12-flowered;

scapes 12–28 cm, sparsely strigose.

1-flowered, axillary at distal nodes;

peduncles 15–25(–50) cm.

heterostylous;

sepal apices with 2 orange tubercles;

petals usually purplish rose to red, rarely white, 10–14 mm.

heterostylous;

sepal apices without tubercles;

petals yellow to orange-yellow, 11–13 mm.

ovoid, 4–8 mm, sparsely strigose.

broadly cylindric, 5–8(–10) mm, densely pilose.

= 42.