Flora of North America species comparison

basal 0;

cauline 10–20, blade linear to narrowly lanceolate, 15–70 x 1–6 mm, undivided, margins serrate, surfaces glabrous.

paniculate or simple or buds present in cauline leaf axils, 3–15, each 2–12-flowered;

bracts linear to narrowly lanceolate, 2–70 x 1–6 mm, undivided, proximal margins entire, distal serrate, surfaces glabrous.

1.5–4.5 mm.

calyx 5.5–8.5 mm, glabrous, lobes 2, triangular, 0.5–1 mm, apex entire, glabrous;

corolla 12–20 mm, tube yellow, 4–10 mm;

galea yellow, 8–11 mm, beakless, margins entire medially, 1-toothed distally, apex arching over abaxial lip;

abaxial lip yellow, 6–8 mm.