Flora of North America species comparison

ascending to erect, 14–40(–60) cm, glabrous.

(24–)30–100 cm.

basal and cauline, glabrous;

basal and proximal cauline 40–65(–110) × 8–20(–30) mm, blade obovate, base tapered, apex obtuse to acute, sometimes mucronate;

cauline 2–4 pairs, sessile, (9–)12–60 × 7–26 mm, blade lanceolate to ovate or elliptic, base tapered to clasping or cordate-clasping, apex obtuse to acute, sometimes mucronate.

basal and proximal cauline 20–52 × 3–11 mm, blade base tapered, margins entire, apex obtuse;

cauline 4–12 pairs, 20–70 × 2–14 mm, blade base tapered, apex obtuse or acute.

interrupted or ± continuous, secund, sometimes cylindric, 5–23 cm, axis glabrous, verticillasters 4–8, cymes 1–3(or 4)-flowered;

proximal bracts ovate to lanceolate, (3–)7–38 × (1–)2–18 mm;

peduncles and pedicels glabrous, peduncles to 28 mm.

(3–)6–28 cm, verticillasters (3–)6–12, cymes 2–5-flowered;

proximal bracts lanceolate to linear, 6–36 × 1–6 mm;

peduncles and pedicels glandular-pubescent.

calyx lobes ovate to lanceolate, 5–6.7(–7.2) × 2–3(–3.7) mm, margins entire or erose, broadly scarious, glabrous;

corolla lavender to violet, blue, pinkish blue, or white, with or without reddish violet nectar guides, tubular-funnelform, 17–20(–22) mm, glabrous externally, sparsely white-villous internally abaxially or glabrous, tube 5–8 mm, throat gradually inflated, 5–6 mm diam., rounded abaxially;

stamens included or longer pair reaching orifice, pollen sacs opposite, 1.1–1.6 mm, sutures papillate;

staminode 8–9 mm, reaching orifice or slightly exserted, 0.6–1 mm diam., tip strongly recurved, distal 3–4 mm sparsely to densely villous, hairs mostly along margins, yellowish, to 1 mm;

style 10–12 mm.

calyx lobes ovate to lanceolate, 4–6 × 1.7–2.1 mm;

corolla orangish red to scarlet, throat usually yellowish or orangish, unlined internally, 22–33 mm, sparsely white-puberulent, tube 3–5 mm, throat 4–6 mm diam.;

pollen sacs 1.8–2.3(–2.5) mm;

staminode 14–16 mm;

style 18–26 mm, exserted.

9–12 × 5–7 mm.

7–10 × 4–5 mm.

3.5–5 mm.

= 16.