Flora of North America species comparison

60–150 cm, glabrous or glabrate.

(30–)50–200 cm, densely and persistently tomentose, eglandular.

surfaces glabrous or glabrate;

basal and proximal cauline with petiole 1–2 mm;

blade obovate to oblanceolate, oblong, or oblong-lanceolate, 4–12(–20) × 1.5–5 cm, base subrounded to broadly cuneate;

cauline subclasping, gradually smaller distally, base not decurrent, margins coarsely and regularly crenate-dentate to dentate or pinnately dentate-lobed, apex of distal cauline and floral bracts acute.

surfaces densely and persistently tomentose, eglandular;

basal and proximal cauline with petiole 40–80 mm;

blade ovate-lanceolate to ovate-elliptic or oblong, (10–)15–25(–35) × 4–10(–15) cm, base attenuate;

cauline subauriculate-clasping, gradually smaller distally, base not decurrent, rarely slightly so, margins entire or shallowly crenate, apex of distal cauline and floral bracts caudate-acuminate to short-acuminate.

unbranched, rarely branched from proximal nodes, narrowly cylindric, flowers remote, solitary in axils at least distally;

rachis stipitate-glandular, without other vestiture;

bracts ovate to lanceolate-ovate, 7–10(–15) mm, base decurrent, apex acute to short-acuminate, stipitate-glandular.

unbranched, narrowly cylindric, flowers densely overlapping or remote proximally, in clusters of 2–9;

rachis densely and persistently tomentose, eglandular;

bracts ovate-lanceolate, 9–15 mm, base short-decurrent or not at all, apex acute to short-acuminate, densely and persistently tomentose, eglandular.

free or adnate to rachis at base, 5–11(–15) mm;

bracteoles 0.

adnate to rachis at base, 2–8(–15) mm;

bracteoles 2.

calyx 5–7 mm, stipitate-glandular, lobes linear-lanceolate to narrowly oblong;

corolla purple in bud, becoming yellow, yellow-orange, yellow with purple center, white, cream with red-tinged tips, or pink, 25–35 mm diam., pellucid glands absent or relatively few;

proximal filaments hairy, hairs purple, distal pair villous, hairs white and purple or violet;

stigma spatulate, base decurrent.

calyx 5–12 mm, densely and persistently tomentose, eglandular, lobes lanceolate to triangular;

corolla yellow, 30–55 mm diam., pellucid glands absent or relatively few;

proximal filaments glabrous at least distally, distal pair villous, hairs white or yellow;

stigma spatulate, base decurrent.

subglobular, 5–8 mm, sparsely stipitate-glandular apically.

elliptic-ovoid, 5–8 mm, tomentose.

= 18, 30, 32.

= 32.