Flora of North America species comparison

decumbent to ascending or erect, 15–90 cm, retrorsely hairy, hairs pointed, not glaucous.

ascending to erect, 30–140(–160) cm, glaucous.

cauline, opposite, puberulent or retrorsely hairy, hairs pointed, sometimes glabrate, not glaucous;

cauline 4–8 pairs, sessile or proximals short-petiolate, 13–85(–110) × 2–22 mm, blade oblanceolate to lanceolate or linear, base tapered to truncate, margins entire, apex acute.

glabrous, glaucous;

basal and proximal cauline 40–160 × 14–40 mm, blade spatulate to oblanceolate or elliptic, base tapered, margins entire, apex rounded to obtuse or acute;

cauline 3–8 pairs, sessile, (17–)44–115 × (4–)23–45 mm, blade ovate to oblanceolate or lanceolate, base tapered to cordate-clasping to connate-perfoliate, margins entire, apex rounded or obtuse to acute.

interrupted, cylindric, 10–30(–43) cm, axis glandular-pubescent, verticillasters 6–12, cymes 1–5-flowered, 2 per node;

proximal bracts lanceolate, rarely linear, 9–40 × 2–10 mm;

peduncles and pedicels spreading to ascending, glandular-pubescent.

interrupted, cylindric, (15–)30–60(–90) cm, axis glabrous, verticillasters 9–12(–20), cymes (1–)3–9-flowered;

proximal bracts ovate to lanceolate, 11–55 × 4–30 mm;

peduncles and pedicels ascending to erect, glabrous or pedicels sparsely glandular-pubescent.

calyx lobes ovate to lanceolate, 4–11 × 1–2.8 mm, glandular-pubescent;

corolla violet to blue or purple, with or without violet nectar guides, funnelform to ampliate, 21–35 mm, glandular-pubescent externally, glabrous internally, tube 6–9 mm, throat gradually inflated, 8–10 mm diam., 2-ridged abaxially;

stamens included or longer pair reaching orifice, filaments glabrous, pollen sacs parallel, 1.8–2.8 mm, distal 1/5–1/3 indehiscent, sides pubescent to lanate, hairs white, to 1 mm near filament attachment, sutures denticulate, teeth to 0.3 mm;

staminode 17–19 mm, included or reaching orifice, 0.5–0.6 mm diam., glabrous;

style 16–22 mm.

calyx lobes ovate to lanceolate, 2.8–5 × 1.5–2.1 mm, margins entire or erose, sparsely glandular-pubescent proximally, sometimes glabrous;

corolla orangish pink to red, without nectar guides, nearly radially symmetric, weakly bilabiate, tubular-funnelform, 17–22 mm, glandular-pubescent externally, glandular-pubescent internally abaxially, tube 5–7 mm, throat slightly inflated, 4–6 mm diam., rounded abaxially;

stamens included, pollen sacs explanate, 1–1.5 mm, sutures smooth;

staminode 8–11 mm, flattened distally, 0.6–1 mm diam., tip straight, distal 2–3 mm retrorsely hairy, hairs yellow or whitish, to 1.5 mm;

style 10–11 mm.

7–9 × 4–6 mm.

10–13 × 5–8 mm.

= 16.