Flora of North America species comparison

8–40 cm, sparsely hirsute proximally, puberulent throughout.

20–70 cm, pilose or sparsely pilose, hairs septate.

basal 5–25 cm, blade strongly lyrate-pinnate, sometimes simple, major leaflet 1, minor leaflets 1–7, terminal leaflet much larger than minor laterals;

cauline 1.5–4.5 cm, stipules not evident, blade bractlike, not resembling basal, simple.

basal 4–27 cm, blade simple or pinnate, leaflets 3–11, terminal leaflet larger;

cauline 2–7 cm, stipules ± free, 8–25 × 7–12 mm, blade pinnate to 3-foliolate.

1–2(–4)-flowered.

3–13-flowered.

downy, hirsute, eglandular.

glandular-downy, becoming glabrate in fruit.

erect;

epicalyx bractlets 2–6 mm;

hypanthium green or green with slight maroon tinge;

sepals erect-spreading, 6–11 mm;

petals spreading, yellow, obcordate-obdeltate to nearly orbiculate, 9–13 mm, longer than sepals, apex broadly and shallowly emarginate.

erect;

epicalyx bractlets absent;

hypanthium green;

sepals reflexed, 1–3 mm;

petals spreading, yellow to cream, oblong to elliptic, sometimes obovate, 1–2 mm, equal to or shorter than sepals, apex rounded.

sessile, glabrous.

on 3–7 mm stipes, glabrous.

wholly persistent, not geniculate-jointed, 9–14 mm, apex not hooked, pilose in basal 3/4, eglandular.

geniculate-jointed, proximal segment persistent, 1.5–3 mm, apex hooked, nearly glabrous except for few septate-glandular hairs, distal segment deciduous, 0.7–1 mm, nearly glabrous except for short hairs.

= 42.

= 42.