Flora of North America species comparison

erect or spreading, 2-6 mm thick, hirsute or strigose, at least distally.

erect or spreading, 4-8 mm thick, hirsute.

3-parted, ultimate segments elliptic or narrowly elliptic, margins dentate.

3-parted, rarely 3-foliolate, ultimate segments elliptic, margins dentate.

sepals 5-6, 4-5 mm;

petals 8-14, 9-13 × 3-7 mm.

sepals 5, 4-9 mm;

petals 5-6, 7-15 × 4-11 mm.

2.6-3 × 2.2-3 mm, glabrous;

beak lanceolate, curved, at least distally, 1.2-1.6 mm.

3-4 × 2.2-2.8 mm, glabrous;

beak lanceolate, curved, 1.8-2.4 mm.