Flora of North America species comparison

slender, 0.5-1 mm thick.

never tuberous, sometimes thick and ± fleshy proximally.

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

erect, not rooting nodally, hirsute or strigose, base not bulbous.

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.

broadly ovate to cordate or sometimes reniform in outline, deeply 3-divided or occasionally 3-foliolate, 2.2-6 × 2.5-7.7(-10) cm, divisions 1-2x deeply parted or -dissected, ultimate segments linear to broadly linear, margins entire (occasionally a lobe reduced to large tooth), apex acute or rounded-acute.

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.

receptacle glabrous;

sepals spreading or variously reflexed, 4-6 × 2-4 mm, appressed-hirsute;

petals 5(-10), yellow, 7-13 × 4-10 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.

hemispheric or globose, 5-8 × 6-8(-10) mm;

achenes 2.2-3.4 × 2-3 mm, glabrous, margin forming narrow rib 0.1-0.2 mm wide;

beak persistent, lanceolate, strongly curved, 0.4-1.6 mm.

= 16.