Flora of North America species comparison

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

ascending to erect, 28–90 cm, glabrous, ± 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, ± leathery, glabrous, ± glaucous;

basal and proximal cauline 35–120(–150) × 8–30 mm, blade obovate to oblanceolate or elliptic, base tapered, margins entire, sometimes undulate, apex obtuse;

cauline 3–6 pairs, sessile or proximals sometimes short- to long-petiolate, (20–)30–120 × 6–20(–29) mm, blade oblanceolate to lanceolate or elliptic, base truncate to clasping, sometimes tapered, margins sometimes undulate, apex obtuse to acute.

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.

continuous, secund, 8–48 cm, axis glabrous;

verticillasters 5–8(–17), cymes 1–4-flowered, 2 per node;

proximal bracts lanceolate, 10–65 × 2–15 mm;

peduncles and pedicels glabrous.

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 to lanceolate, (4–)4.5–9(–10) × 2.1–3.4(–3.8) mm, glabrous;

corolla blue to bluish violet, with reddish violet nectar guides, ventricose, (20–)25–32 mm, glabrous externally, glabrous internally, tube 7–11 mm, throat abruptly inflated, slightly constricted at orifice, 8–12 mm diam., 2-ridged abaxially;

stamens: longer pair reaching orifice or exserted, pollen sacs divergent, sigmoid, 2–2.5 mm, dehiscing incompletely, proximal 1/4 indehiscent, connective not splitting, sides glabrous, sutures denticulate, teeth to 0.1 mm;

staminode 16–19 mm, included or reaching orifice, 0.6–0.9 mm diam., tip straight to recurved, distal 5–7 mm ± pilose, hairs yellow, to 1 mm;

style (17–)19–23 mm.

6–8 × 4–5 mm.

8–10 × 5–6 mm.

= 16.