Flora of North America species comparison

± branched, branches notably thickened distally.

none.

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

1–10, erect or ± decumbent, leafy, unbranched or branched distally.

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.

basal and cauline, ± hairy, ± gland-dotted;

basal blades spatulate to oblanceolate, entire or with 2–6 teeth or lobes;

proximal cauline blades narrowly spatulate or oblanceolate to linear-oblanceolate, entire or with 2–6 teeth or lobes;

mid blades oblanceolate to linear-oblanceolate to linear, 0.9–9.5(–16) mm wide, entire or with 1–2 teeth or lobes;

distal blades narrowly oblanceolate to linear-oblanceolate to linear, entire or with 1–2 teeth or lobes.

2–13.5 cm, usually densely hairy.

8–29 cm, ± hairy.

(5–)7–10 × 8–15 mm.

5–10 × 7–15 mm.

8–14;

corollas 11.8–17 mm.

9–25;

corollas 8.2–16.8 mm.

25–75(–100+);

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

50–200+;

corollas yellow, 1.6–3 mm.

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

8–21, 2.4–5.5 mm, margins 0–0.2 mm wide, not scarious or scarious, abaxial faces ± hairy.

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

8–50(–80) per plant, borne singly or in corymbiform arrays.

2.4–3.1 mm;

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

1.5–2.6 mm;

pappi of 4–8 obovate, often aristate scales 1–2.5 mm.

= 30, 60.