Flora of North America species comparison

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

50–84 cm, sparsely hirsute proximally, hirsute distally.

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 14–30 cm, blade interruptedly lyrate-pinnate, major leaflets 1–5, mixed with 2–5 minor ones, terminal leaflet slightly to much larger than major laterals;

cauline 4–12 cm, stipules ± free, 7–20 × 4–8 mm, blade pinnate, 3-foliolate, or simple and 3-lobed.

1–2(–4)-flowered.

5–15-flowered.

downy, hirsute, eglandular.

densely pilose, some hairs septate-glandular.

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.

nodding;

epicalyx bractlets 2.5–3 mm;

hypanthium green with purple tinge at base to greenish maroon;

sepals erect to erect-spreading, 5–8 mm;

petals erect, white, pink, or lavender, spatulate-obovate, 5–7 mm, ± equal to sepals, apex rounded, truncate, or shallowly emarginate.

sessile, glabrous.

sessile, densely bristly.

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

geniculate-jointed, proximal segment persistent, 2–4.5 mm, apex hooked, septate-glandular hairs on basal 1/2, distal segment very tardily deciduous, 5–8 mm, pilose except apical 1–2 mm, with some glandular hairs.

= 42.