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 mostly oblanceolate, rarely linear, 5–30 cm, margins entire or remotely denticulate, apices acute or acuminate, faces glabrous.

erect or curved-ascending, ebracteate.

erect (15–70 cm) ebracteate.

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

broadly to narrowly ovoid in fruit, 10–18 mm.

5–100;

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

18–50;

corollas yellow-orange, surpassing phyllaries by 5+ mm.

apices acute to acuminate, faces glabrous;

outer deltate;

inner lanceolate (midveins often purple, thickened).

(not purple-spotted, apices erect) outer lanceolate to linear-lanceolate, apices acuminate, abaxial faces glabrous or black-villous;

inner lanceolate, apices acute, 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 or arcuate near bases, 4–8 mm;

pappi of 24–48, brownish, barbellate bristles 5–10 mm (bases of bristles sometimes slightly widened).

= 18.

= 18.