Flora of North America species comparison

lobes linear, 3–30 × 0.5–3 mm.

mostly basal, seldom cauline; alternate;

blades simple or (1–)2–3-pinnately lobed.

5–25+ cm.

(5–)8+;

laminae 12–20(–30) mm.

(3–)8, usually pistillate and fertile, sometimes styliferous and sterile;

laminae yellow, ± obovate to flabellate, each broadest distal to middle, apices entire or 2–3-toothed.

(12–)40–100+;

corollas 4–6.6 mm.

(12–)20–60(–100+);

corollas yellow, lobes 5;

style-branch apices ± truncate or deltoid.

(5–)8, lance-ovate to lanceolate, 6–10+ mm.

(5–)8(–12).

of 3–5 ovate-deltate bractlets (3–)4–6 mm.

of 5–8 bractlets.

oblanceolate to linear, 5–6 mm;

pappi 3–4(–5) mm.

spatulate to oblong, wings chartaceous to membranous, entire, spreading (or margins thin, winglike), ciliolate, faces usually ± tuberculate, sometimes smooth;

pappi of 2 lanceolate to subulate scales 1–4(–5+) mm.

± oblong, 4–6 mm.

± rounded-quadrate to oblong, wings chartaceous to membranous, entire, spreading (or margins thin, winglike), not ciliolate, faces usually ± tuberculate, sometimes smooth;

pappi 0.

seldom basally adnate to and falling with disc cypselae.

± linear.

= 12.

= 24.