Flora of North America species comparison

closely lanate to floccose-tomentose, unevenly glabrescent.

floccose-tomentose to canescent, sometimes unevenly glabrescent.

usually single, rarely clustered.

1–(2–5).

reduced distally; obscurely petiolate;

blades oblanceolate to lanceolate, (4–)6–12+ × (1–)1.5–3 cm, bases tapering to winged petioles, margins dentate to denticulate (denticles dark, cartilaginous; mid and distal leaves smaller, bractlike).

progressively reduced distally;

petiolate;

blades oblong-ovate to oblanceolate, (5–)10–30 × 1.5–4(–6) cm, bases tapered, margins dentate (denticles, dark, callous; mid leaves similar, sessile, smaller; distal leaves bractlike).

usually ± 5, sometimes 0;

corolla laminae 5–8(–10) mm.

(± 3) ± 5;

corolla laminae 5–8 mm.

± 13, 3–5 mm, tips usually black.

(± 5) ± 8, 6–8 mm, tips black.

0 or of 1–3+ lance-deltate to lance-linear bractlets (mostly less than 1 mm).

of 2–5 linear bractlets (lengths to 1/3 phyllaries).

(10–)14–24(–30+) in corymbiform arrays.

20–60+ in corymbiform or subpaniculiform arrays.

glabrous.

glabrous.

= 40. (A report of 2n = 46 is presumably erroneous.)