Flora of North America species comparison

rhizomelike.

decumbent, ascending, or weakly erect, 4–18 cm, retrorsely hairy, not glaucous.

ascending to erect, 25–80 cm, retrorsely hairy, hairs pointed, not glaucous.

cauline, not leathery, glabrate, retrorsely hairy, or puberulent;

cauline 2–4 pairs, petiolate or sessile, 7–28 × 3–12 mm, blade spatulate to oblanceolate, base tapered to clasping, margins entire, apex rounded or obtuse to acute.

cauline, whorled, sometimes alternate, glabrate or retrorsely hairy, hairs pointed, not glaucous;

cauline 15–20 pairs, sessile, (5–)10–52 × 1–6(–12) mm, blade linear, sometimes lanceolate, base tapered, margins coarsely serrate-dentate, distals sometimes entire, apex acute.

interrupted or continuous, ± secund, 1–3 cm, axis ± glandular-pubescent, verticillasters 1 or 2(or 3), cymes 1- or 2-flowered, 1 or 2 per node;

proximal bracts lanceolate, 17–23 × 4–10 mm, margins entire;

peduncles and pedicels ascending to erect, retrorsely hairy and glandular-pubescent.

interrupted, cylindric, 4–35 cm, axis glandular-pubescent, verticillasters 5–10, cymes 1–4-flowered, 1 or 2(or 3) per node;

proximal bracts linear, rarely lanceolate, 5–34 × 1–6 mm;

peduncles and pedicels spreading to ascending, peduncles retrorsely hairy and, sometimes, glandular-pubescent distally, pedicels glandular-pubescent.

calyx lobes lanceolate, 6–10 × 1.3–2 mm, glandular-pubescent;

corolla lavender or bluish lavender to lavender-purple, without nectar guides, bilabiate, not personate, tubular-funnelform, 15–20 mm, glandular-pubescent externally, densely white-lanate internally abaxially, tube 4–6 mm, throat gradually inflated, 5–6 mm diam., prominently 2-ridged abaxially;

stamens included, pollen sacs opposite, subexplanate, 0.7–0.9 mm, dehiscing completely, connective splitting, sides glabrous, sutures smooth;

staminode 8–9 mm, included, 0.3–0.4 mm diam., tip recurved, distal 4–5 mm moderately to densely lanate, hairs yellow, to 1 mm;

style 11–12 mm.

calyx lobes lanceolate, 3.5–5.8 × 1–2 mm, glandular-pubescent;

corolla bluish lavender to lavender, pinkish, pale purple, or violet, with reddish purple nectar guides, funnelform, 13–19 mm, glandular-pubescent externally, glabrous internally or sparsely white-lanate abaxially, tube 5–7 mm, throat gradually inflated, 5–6 mm diam., rounded abaxially;

stamens included, filaments glabrous or white-pubescent distally, pollen sacs parallel, 0.9–1.3 mm, distal 2/3 indehiscent, sides glabrous, sutures denticulate, teeth to 0.1 mm;

staminode 9–11 mm, exserted, 0.2–0.3 mm diam., distal 6–7 mm moderately to densely lanate, hairs yellow, to 2.5 mm;

style 8–10 mm.

6–8 × 4–5 mm, glabrous.

4.5–7 × 3–4.5 mm.

= 16.

= 16.