Flora of North America species comparison

glabrous or with tufts of white hairs in leaf axils.

loosely, often unevenly, floccose-tomentose, glabrescent.

usually 1 (branching distally, unevenly reddish, usually somewhat lax).

single or clustered.

evenly distributed;

petiolate (proximal) or sessile;

blades lanceolate to lance-linear, 3–10+ × (0.5–)1–2 cm, bases tapered (or auriculate), margins (sometimes revolute) unevenly dentate to subentire (mid and distal leaves similar, smaller, bases expanded, ± truncate to cordate, clasping).

reduced distally;

petiolate;

blades narrowly obovate to oblanceolate, (4–)8–18(–25) cm, bases tapered, margins subentire to dentate (denticles callous; mid and distal leaves bractlike, clasping).

usually ± 8 or ± 13, rarely 0;

corolla laminae 8–10 mm.

(± 5) ± 8 (± 13);

corolla laminae 8–10(–15) mm.

± 21, (4–)5–8 mm, tips often with minute black dots.

(± 8) ± 13 (± 21), 4–7 mm, tips black.

of 3–5+ linear to subulate bractlets (to 1.5 mm).

of 2–5 linear bractlets (1–2 mm).

4–12 in loose, corymbiform arrays.

(2–)7–12(–20+) in corymbiform arrays.

hairy.

glabrous.

= 40, 80.