Flora of North America species comparison

(sometimes purplish-tinged) floccose-tomentose, unevenly glabrescent.

densely lanate-tomentose, glabrescent (especially on adaxial faces of leaves).

single or loosely clustered (erect or arching).

single.

mostly cauline;

petiolate (petioles about equaling blades);

blades lanceolate or oblanceolate to ovate, (2–)4–8+ × 1.5–3 cm, bases tapered, margins denticulate (distal leaves smaller, lanceolate or linear-lanceolate, bractlike).

mostly basal;

petiolate;

blades narrowly obovate, (2–)3–7(–10) × 1–2(–3+) cm, bases tapered, margins subentire to denticulate (cauline leaves bractlike).

± 13;

corolla laminae ± 15 mm.

± 13;

corolla laminae usually 8–10 mm (sometimes tubular, unexpanded, heads then perhaps technically disciform).

usually ± 21, sometimes ± 13, (8–)10–15 mm, tips usually greenish (often sparsely hairy).

± 21, 8–12 mm, tips greenish (with white bristles).

of 4–8 lanceolate to lance-linear bractlets (lengths mostly less than 1/2 phyllaries).

of (1–)5–8+ linear to filiform bractlets (lengths 1/3–3/4 phyllaries).

nodding, 1(–2).

1(–3).

glabrous.

hairy.

= 40.