Flora of North America species comparison

erect or sprawling, branched distally, glabrous.

erect, branched distally, hairy.

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

linear, 10–50 × 1–2+ mm (simple blades or single lobes), margins entire or pinnately lobed, faces glabrous or ± hairy.

hemispheric or campanulate, 5–7 mm.

hemispheric or obconic, 4–6 mm.

conic, papillate, glabrous.

conic or dome-shaped, muriculate, glabrous or hairy.

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

8–13;

laminae oblong to oval, to 6 mm.

5–10, ± lanceolate, hairy.

7–16 (distinct), ovate, hairy.

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

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

black or gray, clavate, to 1.5 mm, hairy;

pappi usually of 1(–2) aristate scales plus 3–6+ shorter, ± subulate scales.

appendages oblong or obovate.

appendages linear to ± ovate.

= 10.

= 12.