Flora of North America species comparison

erect from short caudices, not rooting nodally, glabrous, not bulbous-based.

erect to decumbent, not rooting nodally, glabrous, not bulbous-based, spheric or ellipsoid bulbils sometimes formed in leaf axils.

blades circular to reniform in outline, 3-5-parted, 0.8-3.8 × 1.7-6.9 cm, segments again lobed, ultimate segments elliptic or oblong, margins crenate, apex rounded;

cauline leaf 0-1, scalelike.

simple and undivided, blades cordate to deltate or semicircular, 1.8-3.7 × 2-4 cm, base cordate, margins entire or crenate, apex rounded or obtuse.

receptacle glabrous;

sepals spreading, yellow, 7-11 × 4-7 mm, glabrous;

petals 11-15, yellow, 8-12 × 3-5 mm.

receptacle glabrous;

sepals spreading, saccate at extreme base, 4-9 × 3-6 mm, glabrous;

petals yellow, 10-15 × 3-7 mm.

hemispheric or spheric, 7-8 × 9-10 mm;

achenes 2.4-4.6 × 1.2-2.2 mm, glabrous;

beak persistent, filiform, hooked distally, 1-1.8 mm.

hemispheric, 4-5 × 6-8 mm;

achenes 2.6-2.8 × 1.8-2 mm, pubescent;

beak absent.

roots absent.

roots present.

= 16.