Flora of North America species comparison

ascending to erect, (6–)15–45(–65) cm, glabrous or scabrous.

erect, (5–)10–50 cm, glabrous or retrorsely hairy, hairs pointed.

basal and cauline, basal not reduced, glabrous, sometimes scabrous;

basal and proximal cauline (25–)40–90 × 2–18 mm, blade spatulate to oblanceolate or linear, base tapered, apex rounded to obtuse or acute;

cauline 2–8 pairs, sessile, 18–113 × 2–24(–40) mm, blade ovate to lanceolate or linear, base tapered to cordate-clasping, apex acute to acuminate.

leathery, sparsely retrorsely hairy, hairs pointed, especially along margins, or glabrous;

cauline 10–30 pairs, sessile, 4–32 × 0.5–1.2 mm, blade linear, base tapered to clasping, apex acuminate.

continuous or interrupted, cylindric, (2–)5–30(–37) cm, axis glabrous, rarely scabrous, verticillasters (3–)5–15(–26), cymes (2–)4–8(–10)-flowered;

proximal bracts ovate to lanceolate or linear, (3–)12–98 × (1–)2–28 mm;

peduncles and pedicels glabrous or scabrous, peduncles to 3 mm.

interrupted, secund, (1–)3–15 cm, axis retrorsely hairy to puberulent, or glabrous, verticillasters 1–7, cymes 1–3-flowered, 1(or 2) per node;

proximal bracts linear, 3–14 × 0.3–1 mm;

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

calyx lobes ovate to lanceolate, 4–8 × 1–2.5 mm, margins entire or erose, broadly scarious, glabrous or scabrous;

corolla lavender, blue, or pink, with violet or reddish purple nectar guides, tubular-funnelform, 13–20(–22) mm, glabrous externally, sparsely white-pubescent internally abaxially or glabrous, tube 6–8 mm, throat gradually inflated, 4–6 mm diam., rounded abaxially;

stamens included or longer pair reaching orifice, pollen sacs opposite, (0.9–)1.1–1.5 mm, sutures papillate;

staminode 8–10 mm, reaching orifice, 0.9–1.2 mm diam., tip recurved, distal 4–6 mm sparsely villous, hairs golden yellow, to 1 mm, hairs on proximal part of staminode mostly along margins;

style 8–12 mm.

calyx lobes lanceolate, 5–7 × 1.5–2 mm, scarious-margined, glandular-pubescent, hairs pointed;

corolla scarlet, throat sometimes yellow or yellow- or orange-spotted, unlined internally, salverform, 25–32 mm, yellow-lanate internally abaxially, tube 4–6 mm, throat slightly inflated, 4–5 mm diam., slightly 2-ridged abaxially;

stamens exserted (often hidden by galeate adaxial lobes), filaments glabrous, pollen sacs opposite, explanate, 0.8–1 mm, sutures smooth;

staminode 12–17 mm, included, slightly flattened distally, 0.1–0.2 mm diam., tip straight, distal 9–10 mm densely pilose, hairs yellow, to 1.3 mm;

style 21–27 mm.

9–15 × 5–7 mm.

5–9 × 3–4 mm.

= 16.