Flora of North America species comparison

ascending to erect, simple or few-branched, 2–12 cm, glabrous proximally, glabrous or glandular-puberulent distally.

ascending to erect, simple or few-branched, 4–50 cm, glabrous or glabrate proximally, glabrous or glandular-puberulent distally.

blade linear-lanceolate to oblanceolate, elliptic, or oblong, 4–8(–20) × 1.5–3.5 mm, margins entire, apex obtuse to rounded, surfaces glabrous.

blade lanceolate to elliptic or oblong-obovate, 15–70 × 5–25 mm, margins entire or with 1–4 pairs of blunt or sharp teeth distally, apex obtuse to acute, surfaces glabrous.

slender, 2–14(–28) mm, length 0.9–2.3 times bract, sparsely to densely glandular-puberulent;

bracteoles 0.

stout, 1–12 mm, length 0.1–0.3 times bract, glabrous or sparsely glandular-puberulent;

bracteoles 2, 2–6 mm.

sepals connate proximally, calyx distinctly bilaterally symmetric, lobes elliptic-oblanceolate, 3.5–6 mm;

corolla 4–7.5(–9) mm, tube yellow or greenish yellow, veins purple, limb white abaxially, greenish yellow adaxially;

style 1.5–2 mm.

sepals distinct, linear-lanceolate to lanceolate or oblong, 4–7 mm;

corolla 8–15 mm, tube greenish white to greenish yellow or yellow, veins purple or brownish purple, limb white, sometimes tinged lavender;

style 2–4 mm.

subglobular to ovoid, 3.5–4.7 × 3–4.5 mm.

subglobular, (3–)4–9 × 4–8 mm.

0.5–0.7 mm.

0.7–0.8 mm.

= 16.