Flora of North America species comparison

lobes linear, 5–25 × 0.5–1(–2) mm.

mostly basal, seldom cauline; alternate;

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

2–20(–35+) cm.

(3–)8+;

laminae (5–)12–20+ 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.

(5–)50–100+;

corollas 2–4.5 mm.

(12–)20–60(–100+);

corollas yellow, lobes 5;

style-branch apices ± truncate or deltoid.

(3–)8+, ± ovate to obovate, 6–10(–12+) mm.

(5–)8(–12).

of (1–)5–8 linear bractlets (1–)3–8+ mm.

of 5–8 bractlets.

oblanceolate to ± oblong, 5–6(–7) mm;

pappi 2–3 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, 5–6 mm.

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

pappi 0.

basally adnate to and falling with disc cypselae.

± linear.

= 12.

= 24.