Flora of North America species comparison

none.

± branched, branches notably thickened distally.

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

1–10, erect, unbranched.

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, new leaves tightly clustered;

blades spatulate or oblanceolate to linear-oblanceolate, entire, glabrous or sparsely to rarely moderately hairy, moderately to densely gland-dotted.

8–29 cm, ± hairy.

5–35 cm, ± hairy proximally, densely hairy distally.

5–10 × 7–15 mm.

10–15 × 12–20 mm.

9–25;

corollas 8.2–16.8 mm.

14–27;

corollas 11.8–20 mm.

50–200+;

corollas yellow, 1.6–3 mm.

50–100+;

corollas yellow, 3.4–4 mm.

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

8–12, 5–7.5 mm, margins 0–0.2 mm wide, sometimes slightly scarious, abaxial faces ± hairy.

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

1–10 per plant, borne singly.

1.5–2.6 mm;

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

2.4–3.4 mm;

pappi of 4–7 obovate, usually non-aristate scales 1.9–2.2 mm.

= 28.