Flora of North America species comparison

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

loosely arachno-tomentose, unevenly glabrescent.

single or loosely clustered (erect or arching).

single or clustered.

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).

progressively reduced distally; weakly petiolate;

blades lanceolate to narrowly oblanceolate, 10–18+ × 1–2(–3+) cm, bases tapered, margins entire or wavy (often with dark, cartilaginous denticles; mid leaves similar, smaller, sessile; distal leaves bractlike).

± 13;

corolla laminae ± 15 mm.

± 13;

corolla laminae (5–)15–20 mm.

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

± 21, 9–12(–14) mm, tips not notably blackened (short-hairy).

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

of 5–8+ linear to filiform bractlets (lengths 1/2–7/8+ phyllaries).

nodding, 1(–2).

usually 1 (sometimes subtended by 1–2 smaller heads).

glabrous.

glabrous.

= 40.

= 40.