Flora of North America species comparison

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

unevenly villous-tomentose or floccose, glabrescent.

single or loosely clustered (erect or arching).

single (from loosely clustered basal leaves).

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; ± petiolate;

blades ovate to oblanceolate, (3–)4–8(–10) × 2–3(–4) cm, bases tapered, margins shallowly dentate (mid and distal leaves smaller, bractlike, often clasping).

± 13;

corolla laminae ± 15 mm.

± 8;

corolla laminae 8–15 mm.

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

(± 8) ± 13, 8–10 mm, tips black (villous).

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

of 2–7 lance-linear to linear bractlets (lengths 1/3–2/3 phyllaries).

nodding, 1(–2).

erect or weakly nodding (especially in bud), (2–)5–9(–12) in loose, cymiform arrays.

glabrous.

glabrous.

= 40.

= 40.