Flora of North America species comparison

blades oblong to oblanceolate, mid-cauline (2.5–)4–13 mm wide.

blades oblanceolate to oblong or oblong-lanceolate, mid-cauline (1–)4–15(–25) mm wide.

(6–)10–15 × 12–30 mm.

(4.5–)6–9 × 9–15(–20) mm.

17–38;

corollas 8.5–19 mm.

(13–)20–36;

corollas 6–11(–14) mm.

corolla tubes longer than limbs.

corolla tubes ± equaling limbs.

in 3–4 series, loose, subequal, apices erect to spreading, 1.3–1.7 mm wide, herbaceous.

in 3–4 series, loose, strongly unequal, apices broadly spreading to squarrose, ca. 0.9–1 mm wide, herbaceous.

essentially sessile, often surpassed by distal leaves that continue to very base of heads.

on short, sometimes bracteate peduncles, not surpassed by distal leaves.

= 12.

= 12.