Flora of North America species comparison

slender, 0.8-1.8 mm thick.

erect, 5-22 cm, pilose or occasionally glabrous, each with 3-12 flowers.

erect from short caudices or rhizomes, not rooting nodally, glabrous, not bulbous-based.

persistent, blades ovate to rhombic, undivided or rarely innermost 3-parted, 1.1-5.3 × 0.9-3.6 cm, base obtuse, margins crenate with 5 crenae, apex rounded.

blades circular to ovate or obovate, undivided, 0.8-2.6 × 0.6-1.4 cm, margins entire or serrulate, apex obtuse or rounded.

pedicels pilose;

receptacle pilose;

sepals 4-6 × 1.5-3 mm, abaxially pilose, hairs colorless;

petals 5, 6-8 × 2-4 mm;

nectary scale glabrous.

receptacle glabrous;

sepals spreading, 4-8 × 2-4 mm, glabrous;

petals yellow, 5-12 × 1-3 mm.

depressed-globose, 4-6 × 5-7 mm;

achenes 1.8-2.2 × 1.2-1.8 mm, glabrous;

beak slender, curved, 0.2-0.3 mm.

depressed-hemispheric or -conic, 3-4 × 5 mm;

achenes 2-2.6 × 1-1.4 mm, glabrous;

beak persistent, lanceolate, straight, 0.8-1.2 mm.

roots absent.

= 16.

= 16.