Flora of North America species comparison

slender, 0.8-1.4 mm thick.

slender, 0.1-0.6 mm thick.

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

erect or ascending from short caudices, 0.6-3.5 cm (sometimes longer in fruit), each with 1-2 flowers.

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, blades reniform to transversely elliptic or semicircular, 3-parted or -divided, 0.45-0.9 × 0.6-1.3 cm, at least lateral segments again lobed, base truncate or nearly cordate, margins entire, apex rounded to obtuse.

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 pubescent;

receptacle glabrous;

sepals 2-4 × 1.2-1.6 mm, abaxially sparsely hairy, hairs colorless;

petals 5, 1.2-3.5 × 1.1-2.8 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.

nearly globose to cylindric, 2.5-7 × 2.5-5 mm;

achenes 1-1.2 × 0.8-1.1 mm, glabrous;

beak subulate, straight or curved, 0.3-0.7 mm.

n = 16.

= 16.