Flora of North America species comparison

slender, 0.2-0.8 mm thick.

erect or ascending, 5-19 cm, sparsely pilose, each with 1-4 flowers.

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

persistent, blades reniform or semicircular, undivided or some 3-parted, 1.4-2.1 × 1.7-2.8 cm, base cordate or truncate, margins crenate with more than 5 crenae, apex rounded.

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, sometimes sparsely so;

receptacle hispid;

sepals 4-6 × 2-3 mm, abaxially pilose, hairs colorless;

petals 5, 4-5 × 2-4 mm;

nectary scale glabrous.

receptacle glabrous;

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

petals yellow, 5-12 × 1-3 mm.

ovoid to cylindric, 4-7 × 4-6 mm;

achenes 1.6-1.8 × 1.2-1.4 mm, glabrous;

beak lance-subulate, curved, 0.4-0.6 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.

= 32.

= 16.