Flora of North America species comparison

slender, 0.8-1.4 mm thick.

slender, 0.4-0.8 mm thick.

erect from large caudices, 9-25 cm, glabrous, each with 1-3 flowers.

erect from short caudices, 4-22 cm, glabrous or sparsely pilose, each with 1 flower.

persistent, blades circular to reniform in outline, 2-3x-dissected into linear segments, 0.9-2.5 × 1.1-2.8 cm, base obtuse, margins entire, apices of segments narrowly rounded to acute.

persistent or deciduous, blades reniform, 3-parted, 0.6-2 × 1.3-3 cm, at least lateral segments again lobed or margins toothed, base truncate or cordate, apices of segments rounded-apiculate.

pedicels glabrous;

receptacle glabrous;

sepals 4-11 × 3-7 mm, abaxially sparsely pilose, hairs colorless;

petals 5-10, 8-15 × 8-19 mm;

nectary scale glabrous.

pedicels glabrous or brown-pilose;

receptacle glabrous;

sepals 6-8 × 3-5 mm, abaxially densely brown-hispid;

petals 5(-6), 8-11 × 7-12 mm;

nectary scale glabrous.

ovoid, 6-12 × 5-9 mm;

achenes 1.8-2.4 × 1-1.4 mm, glabrous or nearly so;

beak subulate, straight, 1.2-1.7 mm.

cylindric or ovoid-cylindric, 7-14 × 5-6 mm;

achenes 1.5-2.2 × 1.2-1.6 mm, glabrous;

beak slender, straight, 1-2 mm.

n = 16.

= 48.