Flora of North America species comparison

ascending to erect, 20–60 cm, glaucous, sometimes not.

ascending to erect, (18–)25–45(–61) cm, retrorsely hairy, sometimes also ± glandular-pubescent distally, not glaucous.

glabrous, glaucous;

basal and proximal cauline 28–100 × 2–11 mm, blade oblanceolate to elliptic, base tapered, margins entire, apex obtuse to acute;

cauline 3–6 pairs, sessile, (11–)30–80(–120) × 2–9 mm, blade lanceolate to linear or linear-subulate, base clasping to auriculate-clasping, margins entire, apex rounded to acute.

basal and cauline, basal often withering by anthesis, not leathery, glabrous or sparsely retrorsely hairy, especially along midvein and margins, abaxially, glabrous or sparsely puberulent adaxially;

basal and proximal cauline 20–95 × 5–28 mm, blade spatulate or obovate to ovate, base tapered, margins subentire to ± serrate or dentate, apex rounded to obtuse or acute;

cauline (6–)8–12 pairs, short-petiolate or sessile, 22–80 × 4–20 mm, blade lanceolate, base tapered to clasping, margins ± serrate or dentate, apex acute to acuminate.

interrupted, cylindric, 6–26 cm, axis glabrous, verticillasters 5–9, cymes 1–4-flowered;

proximal bracts lanceolate to linear, 6–33 × 1–4 mm;

peduncles and pedicels erect, glabrous.

interrupted, conic, 6–24 cm, axis retrorsely hairy and ± glandular-pubescent, verticillasters 4–8, cymes 3–13-flowered, 2 per node;

proximal bracts lanceolate, 6–40 × 2–12 mm, margins entire or ± dentate;

peduncles and pedicels ascending, retrorsely hairy and ± glandular-pubescent.

calyx lobes ovate to lanceolate, 2–4.5 × 1.4–2.1 mm, margins entire or erose, glabrous or ± glandular along margins;

corolla scarlet, without nectar guides, nearly radially symmetric, weakly bilabiate, salverform, 18–26 mm, glabrous externally, glabrous internally, tube 4–7 mm, 1.6–3 times as long as calyx lobes, throat slightly inflated, 3–5 mm diam., rounded abaxially;

stamens: longer pair reaching orifice, pollen sacs explanate, 0.7–0.9 mm, sutures smooth;

staminode 13–14 mm, essentially terete, 0.1 mm diam., tip straight, glabrous, rarely distal 1–2 mm sparsely papillate, papillae yellow, to 0.2 mm;

style 10–19 mm.

calyx lobes ovate, 2.8–4.5 × 1.1–2 mm, sparsely glandular-pubescent;

corolla white, with reddish purple nectar guides, tubular to tubular-funnelform, 15–19 mm, glandular-pubescent externally, moderately whitish lanate internally abaxially, tube 4–6 mm, throat slightly inflated, 4–7 mm diam., 2-ridged abaxially;

stamens included, pollen sacs opposite, navicular, 0.8–1 mm, dehiscing completely, connective splitting, sides glabrous, sutures papillate;

staminode 10–12 mm, exserted, 0.2–0.4 mm diam., tip straight to slightly recurved, distal 5–7 mm ± villous, hairs yellow or golden yellow, to 1.2 mm;

style 9–11 mm.

6–8 × 4–5 mm.

4–7 × 4–5 mm, glabrous.

= 16.

= 16.