Flora of North America species comparison

moderately crowded, gray-green;

blades 1-nerved, oblanceolate, 15–50 × 1–3 mm, faces abundantly stipitate-glandular;

distalmost ± equaling arrays.

widely spaced, green;

blades 1-nerved, linear to narrowly oblanceolate, 30–50(–80) × 1–2(–3) mm, faces glabrous, viscidulous;

distalmost overtopping arrays.

11–15 mm.

10–12 mm.

5–10;

corollas yellow, 8.3–9.5 mm, tubes sparsely hairy, throats gradually dilated, lobes 1.4–1.7 mm.

(4–)5–6;

corollas pale yellow, 7.5–10 mm, tubes distally puberulent, throats gradually dilated, lobes 1–1.5 mm.

9–13, whitish, tan, or purplish, apices erect to spreading, acute.

(11–)13–17(–19), chartaceous, outer herbaceous-tipped, apices erect, acuminate (glabrous, viscidulous).

4–10+ in (sometimes branched) racemiform arrays.

usually 4–8 in lax (much branched), racemiform to cymiform-paniculiform arrays.

= 18.

= 18.