Flora of North America species comparison

ascending to erect, 10–90 cm, glaucous or not.

erect, 30–65 cm, retrorsely hairy.

basal and proximal cauline 31–90 × 11–20 mm, blade oblanceolate to elliptic, base tapered, margins finely to coarsely dentate, apex rounded to obtuse;

cauline 3–6 pairs, short-petiolate or sessile, (15–)30–90 × 4–30 mm, blade lanceolate to ovate-oblong, base tapered, margins coarsely dentate, distals sometimes entire, apex obtuse or acute.

basal and cauline or, sometimes, basal absent or withering, not leathery to ± leathery, glabrous or retrorsely hairy along midvein and, sometimes, along margins;

basal and proximal cauline petiolate, 22–120(–190) × 7–40(–65) mm, blade oblanceolate to elliptic, base tapered, margins entire or serrate to dentate, apex obtuse to acute;

cauline 6–8(–10) pairs, sessile, 30–95(–115) × 7–30 mm, blade ovate to lanceolate to linear, base tapered to cordate clasping, margins entire or serrate, apex acute.

interrupted, cylindric, (5–)7–34 cm, axis sparsely to densely glandular-pubescent, verticillasters 4–10, cymes 2–4-flowered;

proximal bracts ovate to lanceolate, 5–50 × 2–18 mm;

peduncles and pedicels spreading to ascending, glandular-pubescent.

interrupted, cylindric, 5–20 cm, axis glandular-pubescent, verticillasters (3–)4–6, cymes 2–4(–6)-flowered, 2 per node;

proximal bracts ovate to lanceolate, 14–50 × 6–17 mm;

peduncles and pedicels glandular-pubescent.

calyx lobes ovate, 4.5–8.5 × (2–)2.9–3.2 mm, glandular-pubescent;

corolla white to pink or light lavender to light blue or light violet, with reddish purple nectar guides, strongly bilabiate, ventricose-ampliate, 22–35 mm, glandular-pubescent externally, glandular-pubescent internally, also white-villous abaxially, tube 5–8 mm, length 0.9–1.2 times calyx lobes, throat abruptly inflated, constricted at orifice, 10–18 mm diam., rounded abaxially;

stamens included, filaments of shorter pair glandular-puberulent proximally, pollen sacs navicular to subexplanate, 1.6–2.2 mm, sutures smooth;

staminode 20–22 mm, exserted, 0.4–0.8 mm diam., tip recurved, distal 8–10 mm densely lanate, hairs yellowish or whitish, to 4 mm;

proximal 6–8 mm densely glandular-pubescent;

style 15–18 mm, glabrous.

calyx lobes ovate to lanceolate, 6.5–13 × 2.5–4.8 mm, glandular-pubescent;

corolla pink to pinkish red or reddish violet, with red or crimson nectar guides, ventricose, 22–35 mm, glandular-pubescent internally, tube 8–11 mm, throat gradually inflated, not constricted at orifice, 10–13 mm diam., rounded abaxially;

stamens: longer pair exserted, pollen sacs opposite, explanate, 0.9–1.2 mm, dehiscing completely, sutures smooth;

staminode 17–20 mm, included or reaching orifice, 0.4–0.6 mm diam., tip straight to recurved, distal 8–12 mm sparsely to moderately pilose, hairs yellow, to 1 mm;

style 18–24 mm.

10–14 × 5–8 mm, glabrous.

(7–)11–14 × 5–8.5 mm.

= 16.