Flora of North America species comparison

not thickened basally, glabrous or somewhat canescent proximally.

nearly erect, hispid, base not bulbous.

erect or ascending, rooting at proximal nodes, glabrous or sparsely hirsute.

lanceolate, 5.9-12.2 × 1.1-2.4 cm, base rounded-obtuse to acuminate, margins denticulate, apex acuminate.

bracts linear or lanceolate.

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 sometimes reflexed from base, 3-5 × 2-3 mm, glabrous;

petals 5, 5-8 × 2-3 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.

short-ovoid to depressed-globose, 5-7 × 4-8 mm;

achenes 1.8 × 1.2-1.4 mm, glabrous;

beak lanceolate, straight, 0.6-1.2 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.