Flora of North America species comparison

erect, 3–25 cm, glabrous or ± retrorsely hairy, not glaucous.

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

basal and cauline, not leathery, glabrous;

basal and proximal cauline (10–)17–60 × 5–18 mm, blade spatulate to oblanceolate, lanceolate, or elliptic, base tapered, margins entire, apex rounded to obtuse or acute;

cauline 2–6 pairs, short-petiolate or sessile, 10–55 × 3–15 mm, blade ovate to lanceolate, base tapered to clasping, margins entire, apex obtuse to acute.

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.

interrupted, cylindric, 1–6 cm, axis sparsely glandular-pubescent, sometimes also retrorsely hairy, verticillasters 1–3(or 4), cymes 2–6-flowered, 2 per node;

proximal bracts lanceolate, 2–15 × 1–7 mm, margins entire;

peduncles and pedicels erect, sparsely to moderately glandular-pubescent.

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.

calyx lobes lanceolate, 3–4 × 0.8–1.2 mm, glandular-pubescent;

corolla dark blue, sometimes whitish, without nectar guides, funnelform, 9–12 mm, glandular-pubescent externally, moderately whitish lanate internally abaxially, tube 3–4 mm, throat slightly inflated, 2–3 mm diam., 2-ridged abaxially;

stamens included, pollen sacs opposite, explanate to subexplanate, 0.5–0.6 mm, dehiscing completely, connective splitting, sides glabrous, sutures smooth;

staminode 5–6 mm, included, 0.2–0.3 mm diam., tip straight to slightly recurved, distal 0.5–1 mm moderately pilose, hairs golden yellow, to 0.5 mm;

style 4–6 mm.

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.

4–7 × 2.5–4 mm, glabrous.

6–8 × 4–5 mm.

= 16.