Flora of North America species comparison

50–100 cm, densely stipitate-glandular, sometimes also sparsely hirsute-villous.

30–120 cm, densely and persistently tomentose, eglandular.

surfaces densely stipitate-glandular, sometimes also sparsely hirsute-villous;

basal and proximal cauline with petiole 1–2 mm;

blade elliptic to elliptic-obovate, 8–20(–30) × 2.5–8(–15) cm, base subrounded to broadly cuneate;

cauline not clasping, gradually smaller distally, base not decurrent, margins coarsely crenate to crenulate, apex of distal cauline and floral bracts acute to obtuse.

surfaces densely and persistently tomentose, eglandular;

basal and proximal cauline with petiole 10–30 mm;

blade obovate to oblong-ovate, 5–25(–30) × 4–8(–12) cm, base attenuate;

cauline not clasping, gradually smaller distally, base long-decurrent, margins crenate, apex of distal cauline and floral bracts long-acuminate.

unbranched, narrowly cylindric, flowers remote, solitary in axils at least distally, sometimes 1(–5) at proximal nodes;

rachis densely stipitate-glandular, sometimes also sparsely hirsute-villous with simple hairs;

bracts linear-lanceolate, 8–20 mm, base not decurrent, apex long-acuminate, densely stipitate-glandular, sometimes also sparsely hirsute-villous with simple hairs.

unbranched, narrowly cylindric, sometimes branched from proximal nodes, forming a panicle, flowers densely overlapping, in clusters of 2–8;

rachis densely and persistently tomentose, eglandular;

bracts ovate, 15–40 mm, base decurrent, apex long-acuminate, densely and persistently tomentose, eglandular.

free, (0–)1–3 mm;

bracteoles 2.

free or adnate to rachis at base, 3–15 mm;

bracteoles 2.

calyx 4–9 mm, densely stipitate-glandular, sometimes also sparsely hirsute-villous with simple hairs, lobes ovate-lanceolate to triangular or narrowly lanceolate;

corolla yellow, (25–)30–40 mm diam., pellucid glands absent or relatively few;

proximal filaments glabrous at least distally, distal pair villous, hairs purplish to violet or whitish;

stigma capitate.

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

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

proximal filaments glabrous, distal pair villous, hairs white or yellow, anthers orange;

stigma spatulate, base decurrent.

ovoid-globular to subglobular, 6–10 mm, stipitate-glandular.

elliptic-ovoid, 5–8 mm, tomentose.