Flora of North America species comparison

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

loosely arachno-tomentose, unevenly glabrate or glabrescent.

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).

progressively reduced distally;

petiolate (petioles broadly winged);

blades ovate-lanceolate, 3–8(–10) × (1–)1.5–3(–4) cm, bases tapered or ± truncate, margins dentate to subentire (mid leaves subsessile, lanceolate; distal subulate, bractlike).

± 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).

± 13, (6–)7–10 mm, tips green to grayish.

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

of 2–8 bractlets (1–2+ mm).

nodding, 1(–2).

(1–)10–30 in corymbiform arrays.

glabrous.

hirtellous.

= 40.