Flora of North America species comparison

erect or sprawling, branched distally, glabrous.

erect, branched distally, glabrous or slightly hairy.

linear, 30–100 × 2–4(-6+) mm, (bases often connate and sheathing, apices blunt) margins entire, faces glabrous.

linear or subulate, 40–150 × 2–3+ mm, margins entire, faces glabrous.

hemispheric or campanulate, 5–7 mm.

hemispheric, 5–10 mm.

conic, papillate, glabrous.

± conic, papillate, glabrous or sparsely hairy.

6–13; (corollas pale yellow) laminae ovate-elliptic, (0–)0.5–2 mm.

7–15; (corollas yellow) laminae oblong, 4–14 mm.

5–10, ± lanceolate, hairy.

10–14, ± lanceolate (distinct tips ± deltate), glabrous but for apices.

grayish, somewhat flattened, ± linear, to 4 mm, hairy;

pappi of 5–10 subulate to lanceolate, often fimbriate, laciniate, or aristate scales.

gray, clavate or obovoid, 2–3.5 mm, margins not ciliate, faces glabrous, or hairy and papillate (papillae rusty or yellowish, wartlike);

pappi 0.

appendages oblong or obovate.

appendages deltate or broadly ovate.

= 10.