Flora of North America species comparison

decumbent to erect.

spreading, often prostrate.

mostly alternate (sometimes opposite at 1–3 proximal nodes);

blades usually lobed, 12–28 mm overall, lobes 7–15, linear to filiform, pliable (blades mostly not lobed in var. wrightii).

mostly alternate;

blades not lobed, spatulate, 10–25 × 3–6 mm, margins entire or toothed.

30–80 mm, glabrous or hirtellous.

0–5+ mm, tomentose.

obconic, 5–7 mm.

obconic, 6–7 mm.

10–21;

corollas yellow-orange, laminae 4–10 × 1.5–3 mm.

10–15;

corollas bright yellow, becoming greenish, laminae 5 × 3 mm.

50–100+;

corollas yellow, 2.5–4.5 mm (peripheral ± zygomorphic in some plants).

ca. 60;

corollas yellow, 3 mm.

12–22, margins of outer distinct less than 1/5 their lengths, abaxial faces glabrous or sparsely hirtellous.

12–14, margins of outer distinct less than 1/5 their lengths, abaxial faces tomentose.

of 3–8 deltate to subulate bractlets, lengths less than 1/2 phyllaries.

of 3–5 linear bractlets, lengths 1/2+ phyllaries.

2–3.5 mm;

pappi of erose and/or aristate scales 0.7–3.5 mm.

2.3–3 mm;

pappi of 5 erose scales to 1 mm alternating with 5 lanceolate, 1-aristate scales to 3 mm.

= 16.