Flora of North America species comparison

slender, 0.6-1.2 mm thick.

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

erect, 5-33 cm, pilose or glabrous, each with 3-7 flowers.

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.

persistent, blades ovate, obovate or orbiculate, rarely reniform, undivided or innermost with 2 clefts or partings near apex, 1-3.7 × 1.1-3.5 cm, base acute to rounded, margins entire, apex rounded.

receptacle glabrous;

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

petals 11-15, yellow, 8-12 × 3-5 mm.

pedicels appressed-pubescent;

receptacle pilose or glabrous;

sepals 3-5 × 2-3 mm, abaxially pilose, hairs colorless;

petals 5, 4-9 × 2-5 mm;

nectary scale glabrous.

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.

cylindric, 7-17 × 5-8 mm;

achenes 1.5-2 × 1.3-1.8 mm, canescent or glabrous;

beak subulate, straight or hooked, 0.4-2 mm.

roots absent.

= 16.