Flora of North America species comparison

cylindric, 2-3 mm thick.

prostrate or ascending, 5-20 cm, glabrous, each with 1-6 flowers.

erect or nearly erect, hispid.

persistent, blades rhombic to deltate or reniform in outline, 3-4x-dissected, 1.1-3.4 × 2-3.1 cm, segments linear, base obtuse, margins crenate, apices of segments narrowly rounded.

pedicels glabrous;

receptacle short-pubescent;

sepals 4-8 × 2-5 mm, abaxially glabrous or nearly so;

petals 5, 6-15 × 4-10 mm;

nectary scale glabrous.

pedicellate;

receptacle glabrous;

sepals 5, reflexed, 1.5-2 × 0.8-1.2 mm, densely pubescent;

petals 0-5, 1.1-1.8 × 0.2-0.7 mm.

depressed-globose, 4-6 × 5-8 mm;

achenes 1.8-2.2 × 1.2-1.8 mm, finely pubescent;

beak subulate, straight, 0.8-1.5 mm.

globose, 3-5 × 3-5 mm;

achenes 10-20 per head, 1.7-2 × 1.4-1.7 mm, faces papillose, each papilla crowned with hooked bristle, otherwise glabrous, margin smooth;

beak deltate with slender recurved tip, 0.4-0.6 mm.

and lower cauline leaf blades semicircular or reniform, 3-parted or -divided, 1.5-3.2 × 1-2.4 cm, again lobed, base cordate, margins dentate, apex rounded.