Flora of North America species comparison

ascending to erect, 18–85 cm, glabrous, not glaucous.

20–50 cm, puberulent or retrorsely hairy proximally, puberulent and glandular-pubescent distally.

basal and cauline, ± leathery or not, glabrous, not glaucous;

basal and proximal cauline 55–250 × 7–40 mm, blade lanceolate to elliptic, base tapered, margins entire, apex obtuse to acute;

cauline 3–5 pairs, short-petiolate or sessile, 40–83 × 10–36 mm, blade ovate to lanceolate, base tapered to clasping, apex obtuse to acute.

puberulent or retrorsely hairy, sometimes only along midveins and margins;

basal and proximal cauline 28–68 × 3–9 mm, blade oblanceolate to lanceolate or linear, base tapered, margins entire, apex obtuse to acute;

cauline 6–9 pairs, 32–95 × 4–12 mm, blade lanceolate to linear, base tapered, apex acute.

continuous, cylindric, 4–35 cm, axis glabrous, verticillasters 4–11, cymes 1–6-flowered, 2 per node;

proximal bracts ovate to lanceolate, 22–85 × 11–35 mm;

peduncles and pedicels glabrous, peduncles to 20 mm, pedicels 1–6 mm.

± secund, 6–28 cm, axis glandular-pubescent, verticillasters 4–11, cymes 1- or 2-flowered;

proximal bracts lanceolate to linear, 4–35 × 1–4 mm;

peduncles and pedicels glandular-pubescent.

calyx lobes ovate to lanceolate, (5.3–)6.5–8.5 × 1.6–3 mm, apex acuminate to caudate, glabrous;

corolla blue to violet or purple, with reddish purple nectar guides, ventricose, 29–35 mm, glabrous externally, glabrous internally, tube 8–11 mm, throat gradually inflated, not constricted at orifice, 9–10 mm diam., slightly 2-ridged abaxially;

stamens: longer pair reaching orifice, pollen sacs divergent to opposite, sigmoid, 2–2.7 mm, dehiscing incompletely, proximal 1/5–1/3 indehiscent, connective not splitting, sides sparsely hirsute, hairs white or tan, to 0.1 mm, especially near connective, sometimes merely scurfy near connective, sutures denticulate, teeth to 0.1 mm;

staminode 16–20 mm, reaching orifice, 0.5–1 mm diam., tip straight, distal 4–6 mm ± uniformly sparsely pilose, hairs yellow, to 1 mm;

style 20–24 mm.

calyx lobes ovate to lanceolate, 5–8 × 2–2.8 mm, glandular-pubescent;

corolla violet to lavender to purple, lined internally abaxially with purple nectar guides, ventricose, 25–35 mm, glabrous internally, tube 7–9 mm, throat abruptly inflated, 9–10 mm diam., slightly 2-ridged abaxially;

stamens: longer pair reaching orifice, pollen sacs divergent, 1.8–2.2 mm, sutures denticulate, teeth to 0.3 mm;

staminode 17–19 mm, included, 0.6–1 mm diam.;

style 15–20 mm.

10–13 × 8–10 mm.

11–15 × 7–9 mm.

= 16.