Flora of North America species comparison

never tuberous.

slender, 0.5-1 mm thick.

decumbent or creeping, rooting nodally, hispid to strigose or almost glabrous, base not bulbous.

erect or decumbent from short caudices, 3-22 cm, glabrous, each with 1-5 flowers.

blades ovate to reniform in outline, 3-foliolate, 1-8.5 × 1.5-10 cm, leaflets lobed, parted, or parted and again lobed, ultimate segments obovate to elliptic or sometimes narrowly oblong, margins toothed, apex obtuse to acuminate.

persistent, blades cordate or reniform, 3-parted, 0.5-1.8 × 0.8-3 cm, segments again lobed, base truncate or nearly cordate, apices of segments rounded.

receptacle hispid or rarely glabrous;

sepals spreading or reflexed from base, 4-7(-10) × 1.5-3(-4) mm, hispid or sometimes glabrous;

petals 5(-150), yellow, 6-18 × 5-12 mm.

pedicels pubescent or glabrous;

receptacle glabrous or pubescent;

sepals 3-5 × 1-4 mm, pubescent or glabrous;

petals 5, 3-6 × 1-5 mm;

nectary scale glabrous.

globose or ovoid, 5-10 × 5-8 mm;

achenes 2.6-3.2 × 2-2.8 mm, glabrous, margin forming narrow rib 0.1-0.2 mm wide;

beak persistent, lanceolate to lance-filiform, curved, 0.8-1.2 mm.

cylindric to ovoid-cylindric, 4-13 × 4-6 mm;

achenes 1.2-2.4 × 0.8-2 mm, glabrous;

beak subulate, curved or hooked, 0.4-0.8 mm.

= 14, 32.

= 16.