Flora of North America species comparison

ascending to erect, (15–)30–120 cm, glabrous, sometimes glabrous proximally, glandular-pubescent distally, not glaucous.

ascending to erect, 24–50 cm, glabrous proximally, sparsely glandular-pubescent distally, glaucous.

basal and cauline, not leathery, glabrous;

basal and proximal cauline 30–250 × 7–50 mm, blade elliptic to lanceolate, base tapered, margins serrate to dentate, apex obtuse to acute;

cauline 2–5 pairs, short-petiolate or sessile, (10–)20–75(–110) × 5–30(–38) mm, blade oblong to triangular-ovate, base truncate to cordate-clasping distally, margins serrate to dentate, apex obtuse to acute.

basal and cauline, basal sometimes few, opposite, glabrous, glaucous;

basal and proximal cauline 20–75(–90) × 4–16(–20) mm, blade oblanceolate to elliptic, base tapered, margins entire, apex rounded to obtuse;

cauline 3 or 4 pairs, sessile or proximals short-petiolate, 17–80 × 3–18 mm, blade oblanceolate to oblong or lanceolate, base tapered to cordate-clasping, margins entire, apex obtuse to acute.

interrupted, cylindric, 2–24 cm, axis glandular-pubescent, verticillasters 2–7, cymes 3–11-flowered, 2 per node;

proximal bracts triangular to lanceolate, 6–50 × 1–22 mm, margins entire or ± serrate;

peduncles and pedicels ascending to erect, glandular-pubescent.

interrupted, cylindric, 5–22 cm, axis glandular-pubescent, verticillasters 3–6, cymes 1- or 2(or 3)-flowered, 2 per node;

proximal bracts lanceolate, 20–44 × 4–13 mm;

peduncles and pedicels ascending to erect, glandular-pubescent.

calyx lobes ovate to ovate-oblong or lanceolate, 4–10 × (1–)1.5–2.5 mm, glandular-pubescent;

corolla lavender to purple or violet, with reddish purple nectar guides, ventricose to ventricose-ampliate, 20–30 mm, glandular-pubescent externally, sparsely to densely white-lanate internally, tube 6–7 mm, throat abruptly inflated, 8–10 mm diam., 2-ridged abaxially;

stamens included, pollen sacs opposite, subexplanate, 1.2–1.5 mm, dehiscing completely, connective splitting, sides glabrous, sutures smooth or papillate;

staminode 21–26 mm, exserted, 0.3–0.4 mm diam., tip straight to recurved, distal 6–10 mm sparsely to moderately lanate, hairs white or yellow, to 3 mm;

style 16–19 mm.

calyx lobes lanceolate, 7–10 × 1.8–2.6 mm, glandular-pubescent;

corolla violet to blue or lavender, without nectar guides, ventricose, (25–)30–35 mm, glandular-pubescent externally, glabrous internally, tube 10–11 mm, throat gradually inflated, 7–9 mm diam., 2-ridged abaxially;

stamens included, filaments glabrous, pollen sacs parallel, 1.5–2 mm, distal 1/2–2/3 indehiscent, sides glabrous, sutures denticulate, teeth to 0.1 mm;

staminode 19–24 mm, included, 0.4–0.6 mm diam., distal 10–14 mm moderately to densely pilose, hairs golden yellow, to 1.2 mm;

style 26–30 mm.

5–9 × 3.5–5 mm, glabrous.

7–9 × 4–5 mm.

= 16.