Flora of North America species comparison

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

± reclining, 1-3 mm thick, hirsute or sometimes glabrous.

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

3-foliolate, rarely merely 3-parted, ultimate segments oblong or elliptic to lanceolate or oblanceolate, margins dentate or dentate-lobulate.

sepals 5-6, 4-5 mm;

petals 8-14, 9-13 × 3-7 mm.

sepals 5, 4-6 mm;

petals 5-6, 6-8 × 1.5-2.5 mm.

2.6-3 × 2.2-3 mm, glabrous;

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

3-3.4 × 2-2.6 mm, glabrous, rarely hispid;

beak lanceolate, curved, 0.4-1.2 mm.