Flora of North America species comparison

erect, branched distally, glabrous or slightly hairy.

erect or sprawling, branched distally, glabrous.

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

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

hemispheric, 5–10 mm.

hemispheric or campanulate, 5–7 mm.

± conic, papillate, glabrous or sparsely hairy.

conic, papillate, glabrous.

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

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

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

5–10, ± lanceolate, hairy.

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

pappi 0.

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

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

appendages deltate or broadly ovate.

appendages oblong or obovate.

= 10.