Flora of North America species comparison

relatively slender, bark relatively thin, not corrugated;

rhizomes sometimes present (relatively short, deep-seated);

caudices seldom branched.

blades bright green, narrowly lance-elliptic to lanceolate, (6–)15–25(–40) × (3–)5–9+ cm (1–2-pinnatifid, primary lobes lanceolate to oblanceolate, 10–45 × 2–15 mm, secondary lobes usually divergent, antrorse), bases ± cuneate, ultimate margins usually entire (± revolute and/or thickened, often ciliate), apices acute to attenuate, faces ± hispidulous to hirtellous (gland-dotted as well; veins ± scabrous).

blades mostly lanceolate, lance-elliptic, lance-ovate, linear-oblong, oblong, or ovate, often 1–2-pinnatifid or -pinnately lobed, sometimes cordate, ultimate margins usually crenate, dentate, or serrate, seldom entire.

mostly proximal to mid stems.

mostly shorter than leaf blades.

campanulate to hemispheric 10–25 mm diam.

mostly yellow (becoming brick red and chartaceous in B. rosea).

15–40 mm (abaxially glabrous).

lanceolate to linear, 12–20 mm, not surpassing inner, apices acute to attenuate (margins often ciliate).

borne singly.