Flora of North America species comparison

erect, 30–65 cm, retrorsely hairy.

ascending to erect, 24–50 cm, glabrous proximally, sparsely glandular-pubescent distally, glaucous.

basal and cauline or, sometimes, basal absent or withering, not leathery to ± leathery, glabrous or retrorsely hairy along midvein and, sometimes, along margins;

basal and proximal cauline petiolate, 22–120(–190) × 7–40(–65) mm, blade oblanceolate to elliptic, base tapered, margins entire or serrate to dentate, apex obtuse to acute;

cauline 6–8(–10) pairs, sessile, 30–95(–115) × 7–30 mm, blade ovate to lanceolate to linear, base tapered to cordate clasping, margins entire or serrate, apex acute.

basal and cauline, basal sometimes few, opposite, glabrous, glaucous;

basal and proximal cauline 20–75(–90) × 4–16(–20) mm, blade oblanceolate to elliptic, base tapered, margins entire, apex rounded to obtuse;

cauline 3 or 4 pairs, sessile or proximals short-petiolate, 17–80 × 3–18 mm, blade oblanceolate to oblong or lanceolate, base tapered to cordate-clasping, margins entire, apex obtuse to acute.

interrupted, cylindric, 5–20 cm, axis glandular-pubescent, verticillasters (3–)4–6, cymes 2–4(–6)-flowered, 2 per node;

proximal bracts ovate to lanceolate, 14–50 × 6–17 mm;

peduncles and pedicels glandular-pubescent.

interrupted, cylindric, 5–22 cm, axis glandular-pubescent, verticillasters 3–6, cymes 1- or 2(or 3)-flowered, 2 per node;

proximal bracts lanceolate, 20–44 × 4–13 mm;

peduncles and pedicels ascending to erect, glandular-pubescent.

calyx lobes ovate to lanceolate, 6.5–13 × 2.5–4.8 mm, glandular-pubescent;

corolla pink to pinkish red or reddish violet, with red or crimson nectar guides, ventricose, 22–35 mm, glandular-pubescent internally, tube 8–11 mm, throat gradually inflated, not constricted at orifice, 10–13 mm diam., rounded abaxially;

stamens: longer pair exserted, pollen sacs opposite, explanate, 0.9–1.2 mm, dehiscing completely, sutures smooth;

staminode 17–20 mm, included or reaching orifice, 0.4–0.6 mm diam., tip straight to recurved, distal 8–12 mm sparsely to moderately pilose, hairs yellow, to 1 mm;

style 18–24 mm.

calyx lobes lanceolate, 7–10 × 1.8–2.6 mm, glandular-pubescent;

corolla violet to blue or lavender, without nectar guides, ventricose, (25–)30–35 mm, glandular-pubescent externally, glabrous internally, tube 10–11 mm, throat gradually inflated, 7–9 mm diam., 2-ridged abaxially;

stamens included, filaments glabrous, pollen sacs parallel, 1.5–2 mm, distal 1/2–2/3 indehiscent, sides glabrous, sutures denticulate, teeth to 0.1 mm;

staminode 19–24 mm, included, 0.4–0.6 mm diam., distal 10–14 mm moderately to densely pilose, hairs golden yellow, to 1.2 mm;

style 26–30 mm.

(7–)11–14 × 5–8.5 mm.

7–9 × 4–5 mm.