Flora of North America species comparison

ascending to erect, 30–80 cm, retrorsely hairy and sparsely to densely glandular-villous, not glaucous.

decumbent to ascending or erect, 7–65(–90) cm, glabrous or retrorsely hairy to pubescent, not glaucous.

basal and cauline, not leathery, glabrous or sparsely glandular-lanate along midveins, rarely moderately glandular-lanate;

basal and proximal cauline 20–126 × 4–16 mm, blade spatulate to oblanceolate, lanceolate, spatulate, or elliptic, base tapered, margins entire or serrate to dentate, apex rounded to obtuse or acute;

cauline 5–8(–10) pairs, sessile or short-petiolate, 20–130 × 2–30 mm, blade lanceolate to oblanceolate, base clasping or tapered, margins finely to coarsely serrate or dentate, apex acute to acuminate.

basal and cauline, basal sometimes absent, ± leathery or not, glabrous or retrorsely hairy, not glaucous;

basal and proximal cauline (25–)30–90(–140) × (3–)6–20(–35) mm, blade oblanceolate to elliptic or lanceolate, base tapered, margins entire, apex obtuse to acute;

cauline 3–8 pairs, short-petiolate or sessile, 35–70(–150) × 3–20(–30) mm, blade oblanceolate to elliptic, lanceolate, or linear, base tapered to clasping, apex obtuse to acute.

interrupted, conic, 6–37 cm, axis glandular-pubescent to glandular-lanate, verticillasters (3 or)4–8, cymes 2–11(–15)-flowered, 2 per node;

proximal bracts lanceolate to linear, 8–60 × 1–6 mm, margins entire or ± serrate to dentate;

peduncles and pedicels ascending, glandular-pubescent to glandular-lanate.

continuous, secund or cylindric, (1–)3–35 cm, axis glabrous or puberulent, rarely glandular or glandular-pubescent, verticillasters (2–)4–14, cymes 1–4-flowered, 2 per node;

proximal bracts lanceolate, rarely ovate or linear, (15–)20–80 × (1–)2–23 mm;

peduncles and pedicels ascending to erect, glabrous or retrorsely hairy, rarely glandular-pubescent, peduncles to 20 mm, pedicels 1–8 mm.

calyx lobes ovate to lanceolate, 4–7 × 1.5–2.3 mm, glandular-pubescent;

corolla lavender or purplish, with or without faint violet nectar guides, bilabiate, personate, tubular, 20–26(–28) mm, glandular-pubescent externally, moderately to densely white-villous internally abaxially, tube 6–7 mm, throat slightly inflated, 6–8 mm diam., 2-ridged abaxially;

stamens included, pollen sacs opposite, navicular to subexplanate, 0.8–1 mm, dehiscing completely, connective splitting, sides glabrous, sutures papillate;

staminode 13–16 mm, exserted, 0.6–0.7 mm diam., tip straight, distal 11–14 mm moderately to densely villous, hairs yellowish, to 1.2 mm;

style 16–18 mm.

calyx lobes ovate to lanceolate, rarely obovate, (4–)6–11(–13.5) × 2–4 mm, margins erose, apex acute to acuminate or cuspidate, glabrous or ± glandular proximally;

corolla blue to violet, with reddish purple nectar guides, ventricose, 25–35 mm, glabrous externally, glabrous, rarely sparsely white-pilose, internally abaxially, tube 8–13 mm, throat gradually inflated, slightly constricted at orifice, 7–10(–13) mm diam., 2-ridged abaxially;

stamens: longer pair reaching orifice, pollen sacs divergent, sigmoid, (1.8–)2–3 mm, dehiscing incompletely, proximal 1/3 indehiscent, connective not splitting, sides glabrous or sparsely hispidulous, hairs tan, to 0.3 mm, sutures papillate or denticulate, teeth to 0.1 mm;

staminode 14–18 mm, included, 0.6–1 mm diam., tip straight to recurved, glabrous or distal 1–7 mm sparsely pilose, hairs yellow to yellowish orange, to 0.8 mm;

style 18–23 mm.

6–9 × 5–6 mm, glabrous.

10–16 × 6–8 mm.

= 16.

= 16.