Flora of North America species comparison

ascending to erect, 5–20(–30) cm, retrorsely hairy.

ascending to erect, 12–35 cm, glabrous.

basal and cauline, not leathery, retrorsely hairy;

basal and proximal cauline petiolate, 12–55(–75) × 4–12 mm, blade elliptic to spatulate, base tapered, margins entire or obscurely and remotely serrate, apex rounded to obtuse or acute;

cauline 2–5 pairs, short-petiolate or sessile, 19–65 × 2–8 mm, blade lanceolate to oblanceolate, base truncate to tapered, margins entire or remotely serrate, apex obtuse to acute.

basal and cauline, glabrous;

basal and proximal cauline 20–110 × 14–40(–60) mm, blade spatulate to obovate, base tapered, apex rounded, mucronate, or retuse;

cauline 1–3 pairs, sessile, 20–58 × 8–23 mm, blade ovate to obovate or lanceolate, base tapered to cordate-clasping, apex obtuse to mucronate or retuse.

continuous, cylindric, 2–10 cm, axis densely glandular-pubescent, verticillasters 3–8, cymes 3–5-flowered, 2 per node;

proximal bracts lanceolate, 18–70 × 3–8 mm;

peduncles and pedicels densely glandular-pubescent.

continuous, sometimes interrupted, cylindric, 3–15 cm, axis glabrous, verticillasters 5–10, cymes 2–6-flowered;

proximal bracts ovate to lanceolate, 11–38 × 5–13 mm;

peduncles and pedicels glabrous, rarely obscurely glandular distally.

calyx lobes lanceolate, 4.5–7 × 1.1–1.8 mm, glandular-pubescent;

corolla lavender to bluish lavender or violet, with reddish violet nectar guides, ventricose, 10–14 mm, sparsely to densely white- or yellowish lanate internally abaxially, tube 4–6 mm, throat abruptly inflated, ± constricted at orifice, 4–5 mm diam., rounded abaxially;

stamens included, pollen sacs opposite, explanate, 0.6–0.9 mm, dehiscing completely, sutures smooth;

staminode 9–10 mm, prominently exserted, 0.2 mm diam., tip coiled, distal 5–6 mm densely pubescent, hairs orange or orangish yellow, to 1.2 mm;

style 7–9 mm.

calyx lobes ovate to lanceolate, 4.5–8 × 1.8–2.4 mm, margins erose, broadly scarious, glabrous rarely obscurely glandular-pubescent proximally or along margins;

corolla blue to violet, rarely pink, with or without reddish or purple nectar guides, tubular-funnelform, 16–20(–22) mm, obscurely glandular externally or glabrous, sparsely white-villous internally abaxially or glabrous, tube 6–7 mm, throat gradually inflated, 5–6 mm diam., rounded or slightly 2-ridged abaxially;

stamens included or longer pair reaching orifice, pollen sacs opposite, 0.8–1.4 mm, sutures papillate;

staminode 8–10 mm, included or reaching orifice, 0.4–1 mm diam., tip strongly recurved, distal 3–4 mm moderately to densely pubescent, hairs golden yellow, to 0.7 mm;

style 8–10 mm.

3–6 × 3–5 mm.

8–12 × 6–8 mm.