Flora of North America species comparison

slender, 0.4-1.6 mm thick.

erect or decumbent from short or long caudices, 4-27 cm, glabrous, each with 1-3 flowers.

caudex 1.5-3.5 cm, with few or no persistent leaf bases.

persistent, blades reniform or cordate to obovate or broadly oblong, lobed or 3-parted, 0.5-4.1 × 0.8-3.7 cm, segments again 1(-2)×-lobed, base obtuse to cordate, apices of segments rounded in outline.

obovate to broadly oblong, distally 5-9-lobed or sometimes 3-parted with lateral segments again lobed, 1.4-4.1 × 1.4-3.3 cm, base obtuse or rounded, middle segment unlobed, ultimate segments and sinuses acute or acuminate.

pedicels glabrous;

receptacle glabrous or sparsely pilose;

sepals 4-8 × 2-6 mm, abaxially glabrous or pilose;

petals 5-8, 6-16 × 4-16 mm;

nectary scale glabrous.

petals 9-16 mm.

of achenes cylindric or ovoid, 5-10 × 4-7 mm;

achenes 1.4-2 × 1-1.6 mm, glabrous or sparsely pubescent;

beak lanceolate or subulate, straight (sometimes curved when immature), 0.6-1.8 mm.