Flora of North America species comparison

± branched, branches notably thickened distally.

± branched, branches notably thickened distally.

(1–)5–20(–30), erect, leafy, ± branched distally.

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

basal and cauline, entire, glabrous or sparsely to moderately lanuginose to sericeous, usually densely gland-dotted;

basal leaves tightly clustered, blades linear-oblanceolate;

proximal cauline blades linear-oblanceolate;

mid blades linear-oblanceolate to linear, 1.7–2 mm wide;

distal blades linear-oblanceolate to linear.

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.

5–18.5 cm, ± hairy, usually densely hairy distally.

2–13.5 cm, usually densely hairy.

8–12 × 13–17 mm.

(5–)7–10 × 8–15 mm.

7–10;

corollas 10–20 mm.

8–14;

corollas 11.8–17 mm.

(40–)80–150+;

corollas yellow, 3.3–4.5 mm.

25–75(–100+);

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

7–12, 5–6.4 mm, margins 0–0.3(–0.4) mm wide, usually scarious, abaxial faces ± hairy.

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

(1–)5–30(–40) per plant (1–5 per stem), borne singly or in paniculiform to corymbiform arrays.

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

3–4.1 mm;

pappi of 5–7 lanceolate or obovate to oblanceolate, aristate scales 2.7–4.5 mm.

2.4–3.1 mm;

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

= 28, 30, 56, 60.

= 30, 60.