Flora of North America species comparison

ascending to erect, 9–30(–35) cm, glabrous.

ascending to erect, 14–35(–50) cm, glabrous or sparsely retrorsely hairy proximally, usually sparsely glandular-pubescent distally.

basal and cauline, basal not reduced, glabrous;

basal and proximal cauline 15–60(–90) × 8–25(–39) mm, blade oblanceolate to obovate, base tapered, apex rounded to obtuse, sometimes mucronate;

cauline 3–7 pairs, short-petiolate or sessile, (25–)35–80 × 10–20(–28) mm, blade lanceolate to ovate, base tapered to clasping, apex obtuse to acute.

basal and cauline, leathery or not, glabrous or sparsely retrorsely hairy proximally adaxially;

basal and proximal cauline petiolate, 30–80(–100) × 6–12 mm, blade oblanceolate to lanceolate, base tapered, margins entire or obscurely serrate, apex obtuse to acute or mucronate;

cauline 3 or 4 pairs, sessile, 28–78 × 3–7 mm, blade oblanceolate to lanceolate, base attenuate to clasping, margins entire, apex obtuse to acute.

continuous or interrupted, cylindric, (4–)6–20 cm, axis glabrous, verticillasters (3–)5–10(–14), cymes 2–5-flowered;

proximal bracts ovate to lanceolate, (5–)13–56 × (2–)4–24 mm;

peduncles and pedicels glabrous, peduncles to 12 mm.

interrupted, cylindric, (3–)7–24 cm, axis glandular-pubescent, verticillasters 3–8, cymes 3–12-flowered, 2 per node;

proximal bracts lanceolate to linear, 22–65 × 2–10 mm;

peduncles and pedicels glandular-pubescent.

calyx lobes ovate, 5–8(–12) × 2–3.5 mm, margins entire or erose, broadly scarious, apex acuminate, glabrous;

corolla bluish lavender to lavender or pink, with dark reddish violet or reddish nectar guides, funnelform to ventricose, 15–22 mm, glabrous externally, sparsely white-villous internally abaxially or glabrous, tube 5–7 mm, throat gradually inflated, 5–8 mm diam., rounded abaxially;

stamens included, pollen sacs opposite, (1–)1.2–1.6 mm, sutures papillate;

staminode 8–10 mm, included or reaching orifice, 0.7–1 mm diam., tip strongly recurved, distal 2–5 mm densely villous, hairs yellowish, brownish, or orangish, to 1 mm;

style 10–12 mm.

calyx lobes lanceolate, 6–8(–9) × 1.5–2 mm, glandular-pubescent;

corolla blue to lavender, with dark violet nectar guides, bilabiate, tubular-funnelform, 10–13 mm, sparsely to moderately yellow-lanate internally abaxially, tube 4–5 mm, throat gradually inflated, not constricted at orifice, 3–5 mm diam., rounded abaxially;

stamens reaching orifice or longer pair exserted, pollen sacs opposite, navicular, 0.9–1.5 mm, dehiscing completely, sutures papillate;

staminode 6–8 mm, exserted, 0.3–0.4 mm diam., tip straight, distal 4–5 mm moderately to densely retrorsely-pubescent, hairs golden yellow, to 0.6 mm;

style 6–8 mm.

8–12 × 4–6 mm.

8–12 × 4–7 mm.

2–4 mm.