Flora of North America species comparison

± branched, branches notably thickened distally.

often highly branched, branches not notably thickened distally.

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

1–50, erect, sometimes branched near bases, sometimes densely woolly among proximal leaves.

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-proximal (new leaves not tightly clustered);

blades spatulate to oblanceolate to linear-oblanceolate or linear, entire or with 2 teeth or lobes, sparsely to densely hairy, ± gland-dotted.

2–13.5 cm, usually densely hairy.

12–40 cm, ± hairy.

(5–)7–10 × 8–15 mm.

5–10 × 7–12 mm.

8–14;

corollas 11.8–17 mm.

12–26;

corollas 7.4–22 mm.

25–75(–100+);

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

25–180+;

corollas yellow, 2.5–3.5 mm.

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

8–16, 3.8–6.6 mm, margins 0–0.2(–0.4) mm wide, sometimes to often slightly scarious, abaxial faces ± hairy.

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

1–50 per plant, borne singly or in fastigiate arrays.

2.4–3.1 mm;

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

2–3 mm;

pappi of 5–7 obovate to oblanceolate, aristate scales 1.6–2.3 mm.

= 30, 60.