Flora of North America species comparison

spreading to ascending or erect.

erect.

alternate;

blades 10–15 mm overall, lobed, lobes (3–)5–9, linear to filiform.

all or mostly alternate;

blades not lobed, linear to filiform, 10–15 × 0.3–1 mm, margins usually entire, sometimes 3-fid distally.

1–5+ mm, glabrous.

10–30 mm, tomentose.

obconic to campanulate, 5–6.5 mm.

campanulate, 5–7 mm.

9–12;

corollas white to pale yellow, laminae 3–4 × 1–3.5 mm.

12–13;

corollas golden yellow, laminae 6–8 × 3–4 mm.

ca. 25;

corollas pale yellow, 3–4.5 mm.

ca. 30;

corollas yellow, 4.5–5 mm.

8–16, margins of outer distinct less than 1/2 their lengths, abaxial faces glabrous.

12–13, margins of outer distinct less than 1/4 their lengths, abaxial faces tomentose.

0, or of 1–2 subulate bractlets, lengths less than 1/2 phyllaries.

of 3–4 linear bractlets, lengths 1/2+ phyllaries.

2.5–3 mm;

pappi of 10–15 scales (each comprising 5–9 basally connate bristles) 1–2.5 mm.

3–4 mm;

pappi of 10–11 subequal scales 4–5 mm (each 3–5-aristate).

= 16.

= 16.