Flora of North America species comparison

ascending to erect, 15–55(–82) cm, glabrous.

ascending to erect, (10–)17–70 cm, ± retrorsely hairy proximally, also sparsely glandular-pubescent distally, not glaucous.

basal and cauline, glabrous;

basal and proximal cauline 19–116(–150) × 3–23(–31) mm, blade spatulate to oblanceolate, base tapered, apex rounded to obtuse, acute, or mucronate;

cauline 3–9 pairs, sessile, 20–95 × 10–30 mm, blade ovate to lanceolate, base clasping to cordate-clasping, apex acute.

basal and cauline, basal sometimes withering by anthesis, not leathery, glabrous (except for puberulent petioles and midveins);

basal and proximal cauline (12–)25–87(–120) × (3–)5–18(–28) mm, blade lanceolate, base tapered, margins entire, apex obtuse to acute;

cauline 4–6 pairs, short-petiolate or sessile, 17–98 × 2–16 mm, blade lanceolate to linear, base tapered to clasping, margins entire, apex acute.

interrupted, cylindric, (4–)10–35(–57) cm, axis glabrous, verticillasters 4–20(–35), cymes (2 or)3–5(–11)-flowered;

proximal bracts orbiculate to ovate, 15–70 × 5–31 mm;

peduncles and pedicels glabrous.

interrupted, narrowly conic, (3–)11–30 cm, axis sparsely glandular-pubescent, verticillasters 3–8, cymes 2–4-flowered, 2 per node;

proximal bracts lanceolate to linear, 10–45 × 1–5 mm, margins entire;

peduncles and pedicels ascending, sparsely glandular-pubescent.

calyx lobes ovate, 3.5–6 × 1.5–2.5 mm, margins entire or erose, broadly scarious, glabrous;

corolla lavender to bluish lavender or pinkish blue, with reddish or reddish purple nectar guides, tubular-funnelform, (12–)14–20 mm, glabrous externally, glabrous internally, tube 5–7 mm, throat gradually inflated, 4–6 mm diam., rounded abaxially;

stamens included, pollen sacs opposite, 0.8–1.2 mm, sutures papillate;

staminode 7–9 mm, included or reaching orifice, 0.8–0.9 mm diam., tip recurved, distal 3–5 mm moderately to densely villous, hairs golden yellow, to 1.5 mm;

style 9–11 mm.

calyx lobes lanceolate, 3–6 × 1.4–2 mm, glandular-pubescent;

corolla lavender to light blue, with reddish purple nectar guides, funnelform, 17–27 mm, glandular-pubescent externally, sparsely white- or yellowish lanate internally abaxially, tube 5–7 mm, throat gradually inflated, 6–7 mm diam., slightly 2-ridged abaxially;

stamens included, pollen sacs opposite, navicular, 1.3–1.6 mm, dehiscing completely, connective splitting, sides glabrous, sutures papillate;

staminode 12–14 mm, included, 0.3–0.4 mm diam., tip recurved, distal 7–8 mm moderately to densely pilose, hairs yellow-orange, to 1 mm;

style 11–14 mm.

12–18(–20) × 7–11 mm.

8–10 × 3.2–4 mm, glabrous.

= 16.

= 16.