Flora of North America species comparison

± branched, branches notably thickened distally.

± branched, branches notably thickened distally.

1–8(–12), erect, leafy, ± branched distally.

1–10, erect, unbranched.

basal and cauline, entire, usually densely strigoso-canescent, ± gland-dotted;

basal leaves tightly clustered, blades spatulate to oblanceolate;

proximal cauline blades oblanceolate;

mid blades oblanceolate to linear-oblanceolate, 2.5–5 mm wide;

distal blades linear-lanceolate to linear.

all basal, new leaves tightly clustered;

blades spatulate or oblanceolate to linear-oblanceolate, entire, glabrous or sparsely to rarely moderately hairy, moderately to densely gland-dotted.

2–13.5 cm, usually densely hairy.

5–35 cm, ± hairy proximally, densely hairy distally.

(5–)7–10 × 8–15 mm.

10–15 × 12–20 mm.

8–14;

corollas 11.8–17 mm.

14–27;

corollas 11.8–20 mm.

25–75(–100+);

corollas yellow proximally, yellow or rarely purplish distally, 2.8–3.8 mm.

50–100+;

corollas yellow, 3.4–4 mm.

8–11, 4–6.5 mm, margins 0–0.3 mm wide, usually scarious, abaxial faces densely hairy.

8–12, 5–7.5 mm, margins 0–0.2 mm wide, sometimes slightly scarious, abaxial faces ± hairy.

1–10(–30) per plant (1–7 per stem), borne singly or in paniculiform to corymbiform arrays.

1–10 per plant, borne singly.

2.4–3.1 mm;

pappi of 5–6 obovate, aristate scales 2.1–3.5 mm.

2.4–3.4 mm;

pappi of 4–7 obovate, usually non-aristate scales 1.9–2.2 mm.

= 30, 60.

= 28.