Flora of North America species comparison

nearly erect, hispid, base not bulbous.

erect or reclining, hispid or sometimes glabrous.

pedicellate;

receptacle pilose;

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

petals 5, 7-10 × 4-8 mm.

pedicellate;

receptacle hispid;

sepals 5, reflexed, 3-4 × 2 mm, sparsely hispid;

petals 5, 4-5 × 2-3 mm.

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.

ovoid, 8-9 × 6-7 mm;

achenes 30-60 per head, 2 × 2 mm, faces densely tuberculate, glabrous, margin smooth;

beak semicircular, hooked, 0.3 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.

and lower cauline leaf blades cordate-ovate, 3-foliolate, 5-8 × 3-6(-7) cm, leaflets again cleft or parted, leaflet base obtuse to acute, margins dentate, apex rounded to acute.