Flora of North America species comparison

0.

branched, leafy distally.

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 and cauline; petiolate (proximally, distal often sessile, clasping);

blades linear to oblanceolate, 5–30 cm, margins entire or remotely dentate to pinnately lobed (usually with narrow rachises and linear teeth or lobes), apices acuminate, faces glabrous or lightly scurfy-puberulent.

erect or curved-ascending, ebracteate.

erect or ascending (4–35 cm), ebracteate or leafy.

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

broadly to narrowly ovoid in fruit, 8–22 mm.

5–100;

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

10–75;

corollas yellow, surpassing phyllaries by 5+ mm.

apices acute to acuminate, faces glabrous;

outer deltate;

inner lanceolate (midveins often purple, thickened).

apices erect, abaxial faces glabrous or scurfy-puberulent;

outer lanceolate to triangular or linear, apices acute or acuminate;

inner lanceolate, apices acuminate, both faces usually lightly black-villous.

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, 3.5–8 mm;

pappi of 15–30, silvery, linear to lanceolate or oblong, (flat, glabrous) aristate scales 1–3(–5) mm (margins entire, apices acute or lacerate), aristae (slender) plumose.

= 18.

= 18.