Flora of North America species comparison

(24–)30–100 cm.

ascending to erect, 15–60 cm, glaucous.

basal and proximal cauline 20–52 × 3–11 mm, blade base tapered, margins entire, apex obtuse;

cauline 4–12 pairs, 20–70 × 2–14 mm, blade base tapered, apex obtuse or acute.

glabrous or obscurely scabrous, especially along margins, glaucous;

basal and proximal cauline 35–80(–100) × 5–20 mm, blade oblanceolate, base tapered, margins entire, apex obtuse to acute;

cauline 2–4 pairs, sessile, 15–75 × 4–26 mm, blade elliptic to lanceolate, rarely ovate, base tapered, margins entire, apex acute.

(3–)6–28 cm, verticillasters (3–)6–12, cymes 2–5-flowered;

proximal bracts lanceolate to linear, 6–36 × 1–6 mm;

peduncles and pedicels glandular-pubescent.

± interrupted, ± secund, 11–25 cm, axis glabrous, verticillasters 5–15, cymes 1–4-flowered;

proximal bracts lanceolate, 6–23 × 1–4 mm;

peduncles and pedicels erect, glabrous.

calyx lobes ovate to lanceolate, 4–6 × 1.7–2.1 mm;

corolla orangish red to scarlet, throat usually yellowish or orangish, unlined internally, 22–33 mm, sparsely white-puberulent, tube 3–5 mm, throat 4–6 mm diam.;

pollen sacs 1.8–2.3(–2.5) mm;

staminode 14–16 mm;

style 18–26 mm, exserted.

calyx lobes ovate, 2.5–4(–5) × 1.5–4(–4.6) mm, margins erose, glabrous;

corolla red to crimson, with red nectar guides, bilaterally symmetric, bilabiate, tubular-salverform, 17–22(–25) mm, glandular-pubescent externally, especially distally, glandular-pubescent internally, tube 6–9 mm, throat slightly inflated, 6–7 mm diam., rounded abaxially;

stamens included, pollen sacs explanate, 0.6–1.1 mm, sutures smooth;

staminode 7–10 mm, flattened distally, 0.4–0.5 mm diam., tip recurved, glabrous, rarely distal 1 mm papillate, papillae golden yellow, to 0.1 mm;

style 10–14 mm.

7–10 × 4–5 mm.

7–10 × 5–7 mm.

= 16.