Flora of North America species comparison

none.

often highly branched, branches not notably thickened distally.

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

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

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.

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.

8–29 cm, ± hairy.

12–40 cm, ± hairy.

5–10 × 7–15 mm.

5–10 × 7–12 mm.

9–25;

corollas 8.2–16.8 mm.

12–26;

corollas 7.4–22 mm.

50–200+;

corollas yellow, 1.6–3 mm.

25–180+;

corollas yellow, 2.5–3.5 mm.

8–21, 2.4–5.5 mm, margins 0–0.2 mm wide, not scarious or 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.

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

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

1.5–2.6 mm;

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

2–3 mm;

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