Flora of North America species comparison

not thickened basally, glabrous.

nearly erect, hispid, base not bulbous.

erect to prostrate, usually rooting nodally, glabrous or strigose.

ovate to broadly ovate, 0.8-2.7 × 0.8-1.9 cm, base rounded to weakly cordate, margins entire or dentate, apex rounded or obtuse.

bracts lanceolate to oblanceolate or sometimes ovate.

pedicellate;

receptacle pilose;

sepals 5, reflexed, 3-8 × 1.5-3 mm, pilose;

petals 5, 7-10 × 4-8 mm.

receptacle glabrous;

sepals 5, spreading or reflexed from base, 1.5-3 × 1-2 mm, glabrous;

petals 5-6, 3-5 × 1-2 mm;

nectary scales glabrous.

globose or ovoid, 5-8 × 6-7 mm;

achenes 15-35 per head, 2-3 × 2-3 mm, faces sparsely papillate or sometimes smooth, glabrous, margin smooth;

beak oblong to deltate, curved, 0.4-0.7 mm.

hemispheric or globose, 2-4 × 3-4 mm;

achenes 1.2-1.4 × 1-1.2 mm, glabrous;

beak lanceolate to lance-filiform, straight or curved, 0.4-1 mm.

and lower cauline leaf blades ovate to cordate, 3-foliolate, 2-6 × 2-6 cm, leaflets again parted, leaflet base truncate to acute, margins crenate-dentate to crenate-lobulate, apex rounded to obtuse.