Flora of North America species comparison

0.

0.

basal; petiolate;

blades linear to narrowly oblanceolate, 2–20 cm, margins entire, dentate, or pinnately lobed, apices acuminate, faces glabrous or lightly scurfy-puberulent.

basal; petiolate;

blades linear to narrowly elliptic, 3–20 cm, margins usually pinnately lobed (with narrow rachis and linear lobes), rarely entire, apices acuminate, faces glabrous or lightly scurfy-puberulent.

erect or curved-ascending, ebracteate.

erect or curved-ascending, ebracteate.

globose to ovoid in fruit, 4–8(–10) mm.

ovoid to fusiform in fruit, 10–22 mm.

5–100;

corollas yellow or orange, equaling or surpassing phyllaries by 1–2 mm.

5–50;

corollas yellow, equaling or surpassing phyllaries by 1–3 mm.

apices acute to acuminate, faces glabrous;

outer deltate;

inner lanceolate (midveins often purple, thickened).

apices erect, acute to acuminate, abaxial faces glabrous;

outer deltate;

inner lanceolate, (midveins often purple, thickened).

columnar to obconic, 1.5–3 mm;

pappi of (4–)5 white or brownish, ovate to deltate, aristate scales 0.2–2.5 mm (straight or slightly arcuate, scarcely involute, glabrous, midveins linear, widths less than 1/5 bodies, thicker at base), aristae (brown, fine) barbellulate.

columnar, 4.5–7 mm;

pappi of 5, white or light brown, linear-lanceolate, aristate scales 4–11 mm (arcuate, scarcely involute, apices acuminate, faces usually glabrous, rarely villous, midveins brownish, stout, widths 1/5–1/3 bodies, tapered distally), aristae (white or brown) barbellate.

= 18.

= 36.