Flora of North America species comparison

slender, 0.2-0.8 mm thick.

not thickened basally, canescent.

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

erect or ascending, not rooting nodally, glabrous.

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.

narrowly elliptic to linear, 2.5-4.8 × 0.2-0.9 cm, base narrowly acuminate, margins entire, apex acute to acuminate.

bracts lanceolate to linear.

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.

receptacle glabrous;

sepals 5, spreading or reflexed from base, 3-5 × 1-2 mm, glabrous;

petals 5, 4-6 × 1-2 mm;

nectary scales 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.

hemispheric, 2-4 × 3-5 mm;

achenes 1-1.4 × 0.8 mm, glabrous;

beak subulate, straight, 0.2-0.4 mm.

= 16.