Flora of North America species comparison

± branched, branches notably thickened distally.

often highly branched, branches not notably thickened distally.

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

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

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.

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.

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

12–40 cm, ± hairy.

8–12 × 13–17 mm.

5–10 × 7–12 mm.

7–10;

corollas 10–20 mm.

12–26;

corollas 7.4–22 mm.

(40–)80–150+;

corollas yellow, 3.3–4.5 mm.

25–180+;

corollas yellow, 2.5–3.5 mm.

7–12, 5–6.4 mm, margins 0–0.3(–0.4) mm wide, usually scarious, abaxial faces ± 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–)5–30(–40) per plant (1–5 per stem), borne singly or in paniculiform to corymbiform arrays.

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

3–4.1 mm;

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

2–3 mm;

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

= 28, 30, 56, 60.