Flora of North America species comparison

usually 2–8 from base, usually decumbent to prostrate, less commonly ascending, sporadically rooting at nodes, 10–40 cm, becoming woody proximally, puberulent to hirtellous-puberulent, hairs usually antrorsely curved or crisped, sometimes ± straight, nonseptate, longer hairs 0.2–0.3(–0.8) mm.

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.

basal and cauline;

stipules rudimentary or oblong, margins narrowly flanged, apical auricles absent;

petiole (1–)3–7(–10) cm, hairs nonseptate;

leaflets 3, glaucous and gray-green to yellowish green, obcordate, 5–10(–15) mm, lobed 1/5–1/3 length, surfaces glabrous to loosely strigose, oxalate deposits absent.

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

scapes 12–28 cm, sparsely strigose.

umbelliform cymes, 1–2(–3)-flowered;

peduncles 1.5–5 cm.

heterostylous;

sepal apices with 2 orange tubercles;

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

semihomostylous, within level of leaves;

sepal apices without tubercles, surfaces strigose to hirsute-strigose;

petals yellow, rarely with red lines proximally, 6–10(–12) mm.

ovoid, 4–8 mm, sparsely strigose.

angular-cylindric, abruptly tapering to apex, 14–20 mm, strigose-hirsute.

brown to blackish brown, transverse ridges rarely with whitish lines or spots.

= 42.