Flora of North America species comparison

slender, 0.2-0.8 mm thick.

slender, 0.4-0.8 mm thick.

erect or nearly erect, 10-50 cm, glabrous, each with 9-40 flowers.

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

persistent, blades reniform, outer undivided, inner 3-lobed to 3-foliolate, 1-3.5 × 1.5-4.5 cm, base truncate or cordate, margins crenate, apex rounded or obtuse.

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 pubescent or glabrous;

receptacle sparsely pilose;

sepals 2-3 × 1-2 mm, abaxially sparsely hispid, hairs colorless;

petals 5, 1-2 × 0.5-1 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.

globose to ovoid, 3-7 × 3-5 mm;

achenes 1.5-2 × 1.4-1.8 mm, glabrous;

beak slender, strongly curved, 0.6-1 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.

= 16.

= 48.