Flora of North America species comparison

1–20+, ± erect.

deciduous, basal, sometimes clustered around scape, simple or compound;

stipules adnate to petiole base, narrow, scarious, margins entire;

petiole present;

blade ± rounded, deeply cordate, ternate or 3–5(–7)-lobed, 3–5 cm, herbaceous, margins flat, when lobes usually shallow, dentate, often with large teeth distally, venation palmate, surfaces strigose or hirsute.

mostly ternately compound, rarely merely deeply lobed;

leaflets broadly cuneate-obovate, 3–5 cm, lateral ones ± asymmetric, margins commonly shallowly and irregularly lobed, surfaces sparsely strigose, principal veins often densely strigose.

terminal, 3–8-flowered, panicles, open, ± as long as petioles, elongating somewhat in fruit;

bracts present;

bracteoles absent.

3–8-flowered.

present.

8–20 mm diam.;

epicalyx bractlets 0 [5, minute];

hypanthium broadly obconic to obcampanulate, slightly contracted at mouth, 2–4 mm, strigose or glabrous;

sepals 5, spreading, triangular;

petals 5, yellow, obovate to elliptic, elliptic-lanceolate, or suborbiculate;

stamens 50–70, ± equal to petals, filaments persistent;

torus not evident, receptacle base villous;

carpels 3–7, short-villous;

ovule 1.

14–20 mm diam.;

hypanthium obcampanulate, 2–4 mm, externally strigose or glabrous;

petals obovate to broadly elliptic, 3.5–10 mm, much longer than sepals, apex obtuse or rounded;

carpels 3–5.

aggregated achenes, 3–7, broadly crescent-shaped, 1.5–2.5 mm, short-villous;

hypanthium persistent;

sepals persistent, ± reflexed;

styles deciduous, not hooked.

= 7.