Flora of North America species comparison

ascending to erect, 8–20(–35) cm, retrorsely hairy.

ascending, 2–10(–14) cm, densely retrorsely hairy.

basal and cauline, not leathery, retrorsely hairy, sometimes glabrate;

basal and proximal cauline petiolate, 35–95 × 3–18 mm, blade oblanceolate to lanceolate or linear, base tapered, margins entire or obscurely dentate, rarely prominently dentate distally, apex rounded to obtuse or acute;

cauline (1 or)2–5 pairs, short-petiolate or sessile, 33–78 × 4–10 mm, blade elliptic to oblanceolate, lanceolate or linear, base tapered to clasping, margins entire or dentate, apex obtuse to acute.

basal and cauline, not leathery, densely retrorsely hairy;

basal and proximal cauline petiolate, 12–35(–50) × 3–10 mm, blade ovate to lanceolate, base tapered, margins entire, rarely obscurely dentate, apex obtuse to acute;

cauline 1–3 pairs, sessile, 13–34 × 2–6 mm, blade oblanceolate to lanceolate or linear, base tapered to slightly clasping, margins entire, apex obtuse to acute.

continuous or ± interrupted, cylindric, 4–11(–18) cm, axis glandular-pubescent, verticillasters 3–5, cymes (1 or)2–6-flowered, 2 per node;

proximal bracts lanceolate to linear, 16–38 × 2–8 mm;

peduncles and pedicels glandular-pubescent.

continuous, cylindric, axis glandular-pubescent, 2–3(–8) cm, verticillasters 1–5(or 6), cymes 2–4-flowered, 2 per node;

proximal bracts lanceolate, 11–20 × 2–6 mm;

peduncles and pedicels glandular-pubescent.

calyx lobes lanceolate, 4.5–7.5 × 1.2–2 mm, glandular-pubescent;

corolla dark blue to violet or purple, with reddish violet nectar guides, ampliate, 10–15(–18) mm, yellowish or whitish villous internally abaxially, tube 5–6 mm, throat abruptly inflated, ± constricted at orifice, 3.5–6 mm diam., rounded abaxially;

stamens included, pollen sacs opposite, explanate, 0.6–1 mm, dehiscing completely, sutures smooth;

staminode 7–8 mm, reaching orifice or exserted, 0.3–0.4 mm diam., tip straight to recurved, distal 5–6 mm densely pubescent, hairs orangish yellow, to 1.5 mm, and medial hairs shorter, stiffer, and retrorse;

style 9–11 mm.

calyx lobes ovate to lanceolate, 4–6 × 1.8–2.2 mm, glandular-pubescent;

corolla violet to blue or purple, with reddish violet nectar guides, tubular-funnelform, 12–16 mm, sparsely yellow-lanate internally abaxially, tube 5–6 mm, throat gradually inflated, not constricted at orifice, 4–7 mm diam., rounded abaxially;

stamens included, pollen sacs parallel, navicular, 1.7–2 mm, dehiscing completely, sutures papillate;

staminode 8–9 mm, included or reaching orifice, 0.8–0.9 mm diam., tip straight, distal 5–6 mm moderately to densely pubescent, hairs orange, to 0.8 mm;

style 9–11 mm.

6–9 × 4.5–6 mm.

4–7 × 3–4.5 mm.

= 16.