Flora of North America species comparison

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

24–75(–98) cm, sparsely to densely retrorsely hairy or puberulent, usually also glandular-pubescent distally.

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.

retrorsely hairy;

basal and proximal cauline 8–80 × 3–12 mm, blade lanceolate or spatulate, base tapered, margins entire, apex rounded to obtuse or acute;

cauline 7–15 pairs, 9–85(–110) × 1–11(–22) mm, blade lanceolate to linear, base tapered to truncate, apex acute to acuminate, rarely obtuse.

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.

± secund, 5–36 cm, axis glandular-pubescent, verticillasters 3–6, cymes 1 or 2(or 3)-flowered;

proximal bracts lanceolate to linear, 5–16 × 1–3 mm;

peduncles and pedicels glandular-pubescent, sometimes also retrorsely hairy.

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, 2.9–7 × 1.5–2.5(–3.6) mm, glandular-pubescent;

corolla scarlet to red, unlined internally or lined on abaxial surface with faint reddish purple nectar guides, tubular-funnelform, 22–35 mm, glandular-pubescent internally abaxially, tube 5–6 mm, throat gradually inflated, 6–8 mm diam., rounded abaxially;

stamens exserted (hidden by galeate adaxial lobes), pollen sacs parallel to divergent, 1.5–2 mm, sutures denticulate, teeth to 0.2 mm;

staminode 15–17 mm, included, 0.3–0.4 mm diam.;

style 25–30 mm, usually barely exserted from galea.

4–6 × 3–4 mm, glabrous.

9–14 × 6–7 mm.

= 16.

= 16.