Flora of North America species comparison

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

erect, 10–31 cm, retrorsely hairy, not glaucous.

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, not leathery, glabrous or retrorsely hairy primarily along midvein and margins;

basal and proximal cauline 14–75 × 4–16 mm, blade ovate to lanceolate or elliptic, base tapered, margins entire or ± serrate distally, apex obtuse to acute;

cauline 3–5 pairs, sessile or proximals short-petiolate, 15–45 × 2–8 mm, blade oblanceolate to lanceolate, base tapered, margins entire or ± serrate or ± dentate, primarily distally, 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, 4–18 cm, axis retrorsely hairy proximally, sparsely glandular-pubescent distally, verticillasters 2–5, cymes 2–6-flowered, (1 or)2 per node;

proximal bracts lanceolate, 9–38 × 2–12 mm, margins entire or ± serrate distally;

peduncles and pedicels ascending, sparsely 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 ovate, 3–4 × 1–2 mm, sparsely glandular-pubescent;

corolla violet to blue or purple, with purple nectar guides, funnelform, 14–23 mm, glandular-pubescent externally, ± white-pubescent internally abaxially, tube 4–6 mm, throat gradually inflated, 5–6 mm diam., slightly 2-ridged abaxially;

stamens included, pollen sacs opposite, navicular, 0.9–1.2 mm, dehiscing completely, connective splitting, sides glabrous, sutures smooth;

staminode 9–12 mm, reaching orifice, 0.4–0.6 mm diam., tip straight, distal 0.5–2 mm pilose, hairs yellow or golden yellow, to 0.8 mm;

style 9–13 mm.

8–12 × 4–6 mm.

5–8 × 3.5–5 mm, glabrous.

2–4 mm.