Flora of North America species comparison

moderately crowded, green;

blades 1-nerved, linear, 20–35 × 1–2 mm, faces glabrous, viscidulous;

distal overtopping arrays.

crowded, gray;

blades 1-nerved, linear, 20–40 × ca. 1 mm, faces tomentose, eglandular;

distalmost overtopping arrays.

10–11.5 mm.

9.5–12 mm.

(4–)5–12;

corollas yellow, 9–10 mm, tubes finely glandular-puberulent, throats gradually dilated, lobes 1.4–1.7 mm.

5–7;

corollas pale yellow, 8–10.7 mm, tubes hairy, throats gradually dilated, lobes 1.2–1.7 mm.

(11–)13–18, ± chartaceous, outer apices long-acuminate, herbaceous, inner acuminate (viscidulous).

12–20, mostly chartaceous, apices spreading, acuminate.

2–5 in ± cymiform arrays or borne singly.

5–10+ in compact, racemiform arrays, or terminal glomerules.

= 18.

= 18.