Flora of North America species comparison

ascending to erect, (10–)15–38 cm, glabrous or sparsely retrorsely hairy, sometimes also sparsely glandular-pubescent.

ascending to erect, 30–120 cm, glaucous.

basal and cauline, ± leathery or not, glabrous, sometimes sparsely retrorsely hairy along midvein abaxially, not glaucous;

basal and proximal cauline (13–)40–90 × (3–)6–18 mm, blade ovate to oblanceolate or lanceolate, base tapered, margins ± serrate or dentate, apex obtuse to acute;

cauline 2–6 pairs, short-petiolate or sessile, 15–55 × 3–10 mm, blade lanceolate, proximals sometimes oblanceolate to oblong, base tapered or truncate, margins entire or ± serrate to ± dentate, apex obtuse to acute.

glabrous, glaucous;

cauline 5–11 pairs, short-petiolate or sessile, 40–100 × 10–40 mm, blade ovate to lanceolate, base tapered to auriculate-clasping, margins entire, apex rounded to acute.

continuous or ± interrupted, cylindric, 4–19 cm, axis glabrous or ± glandular-pubescent, verticillasters 4–8, cymes (1 or)2–6-flowered, 2 per node;

proximal bracts lanceolate, 9–40 × 3–15 mm, margins entire or ± serrate to dentate;

peduncles and pedicels erect, sometimes ascending, glandular-pubescent.

interrupted, secund to ± cylindric, 15–60(–100) cm, axis glabrous or obscurely scabrous, verticillasters 8–18(–22), cymes 1–5(–11)-flowered;

proximal bracts ovate to lanceolate, (3–)7–25(–87) × (1–)3–14(–30) mm;

peduncles and pedicels erect, glabrous or obscurely scabrous.

calyx lobes ovate, 2.8–4.8 × 0.9–1.8 mm, glandular-pubescent;

corolla blue to light blue or violet, with reddish purple nectar guides, funnelform, 13–20 mm, glandular-pubescent externally, sparsely white-villous internally abaxially, tube 4–5 mm, throat gradually inflated, 4–5 mm diam., 2-ridged abaxially;

stamens included, pollen sacs opposite, subexplanate to explanate, 0.5–0.8 mm, dehiscing completely, connective splitting, sides glabrous, sutures smooth or papillate;

staminode 8–9 mm, included, 0.2–0.3 mm diam., tip straight to recurved, distal 0.5–2 mm ± pilose, hairs golden yellow, to 0.8 mm;

style 9–11 mm.

calyx lobes ovate to lanceolate, 3–6 × 2–3 mm, margins erose, glabrous;

corolla scarlet, without nectar guides, nearly radially symmetric, weakly bilabiate, salverform, 25–33 mm, glabrous externally, glabrous internally, tube 8–10 mm, throat slightly inflated, 4.5–6 mm diam., rounded abaxially;

stamens: longer pair reaching orifice, pollen sacs explanate, 0.9–1.2 mm, sutures smooth;

staminode 13–14 mm, terete to slightly flattened distally, 0.1–0.3 mm diam., tip straight, glabrous;

style 18–27 mm, exserted.

4–6 × 3–4 mm, glabrous.

8–11 × 6–7 mm.

= 16.

= 16.