Flora of North America species comparison

ascending to erect, (3–)7–30 cm, retrorsely hairy.

ascending to erect, 20–45(–60) cm, glabrous, not glaucous.

basal and cauline, not leathery, retrorsely hairy;

basal and proximal cauline petiolate, 15–45(–65) × 3–20(–25) mm, blade spatulate to oblanceolate or ovate, base tapered, margins entire or obscurely dentate distally, apex rounded to obtuse;

cauline (1 or)2–4 pairs, sessile, 16–55 × 4–10(–15) mm, blade lanceolate to oblanceolate or linear, base tapered to clasping, margins entire or obscurely dentate distally, apex obtuse to acute.

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

basal and proximal cauline 15–95 × 1–4(–5) mm, blade linear, base tapered, margins entire, apex acute to acuminate;

cauline 5–7 pairs, sessile, 8–95 × 0.5–3(–4) mm, blade linear, base truncate, apex acute to acuminate.

continuous to ± interrupted, cylindric, 1–12 cm, axis glandular-pubescent, verticillasters (1–)3–7, cymes (1 or)2–4-flowered, 2 per node;

proximal bracts ovate to lanceolate, 8–34 × 2–16 mm;

peduncles and pedicels glandular-pubescent.

interrupted, secund, 6–30 cm, axis glabrous, verticillasters 5–11, cymes 1–3-flowered, 1 or 2 per node;

proximal bracts linear to subulate, (2–)3–30(–50) × 0.5–2 mm;

peduncles and pedicels glabrous.

calyx lobes lanceolate, 4.8–6.2 × 1.2–1.9 mm, glandular-pubescent;

corolla blue to violet, with reddish violet nectar guides, bilabiate, tubular-funnelform, 15–20(–22) mm, sparsely white-lanate or glabrous internally abaxially, tube 4–6 mm, throat gradually inflated, not constricted at orifice, 4–7 mm diam., rounded abaxially;

stamens included, pollen sacs opposite, navicular, 1.1–1.4 mm, dehiscing completely, sutures papillate;

staminode 7–9 mm, included or reaching orifice, 0.3–0.5 mm diam., tip straight to recurved, distal 4–5 mm sparsely pubescent, hairs yellow, to 0.8 mm;

style 10–12 mm.

calyx lobes ovate, 2.2–4 × 1.3–3.5 mm, glabrous;

corolla white to pink, lavender, or violet, with reddish purple nectar guides, ventricose, 18–22 mm, glabrous externally, sparsely white-lanate internally abaxially, tube 4–6 mm, throat gradually inflated, not constricted at orifice, 7–10 mm diam., rounded abaxially;

stamens: longer pair exserted, pollen sacs opposite, navicular, 1.2–1.6 mm, dehiscing completely or incompletely, connective splitting or not, sides glabrous, sutures papillate or denticulate, teeth to 0.1 mm;

staminode 11–14 mm, exserted, 0.4–0.7 mm diam., tip straight to recurved, glabrous;

style 12–17 mm.

6–10 × 4–6 mm.

6–11 × 4–6 mm.

= 16.