Flora of North America species comparison

ascending to erect, 30–120(–160) cm, glaucous.

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

glabrous, glaucous;

basal and proximal cauline 36–125 × 8–25 mm, blade spatulate to oblanceolate or elliptic, base tapered, margins entire, rarely remotely and obscurely dentate, apex rounded to obtuse or acute;

cauline 2–5 pairs, sessile, 23–130 × 5–25 mm, blade lanceolate to oblong, base clasping to auriculate-clasping, margins entire, rarely remotely and obscurely 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.

interrupted, cylindric, (4–)10–60 cm, axis glabrous, verticillasters (2–)5–16, cymes 2–7-flowered;

proximal bracts lanceolate, (8–)13–55 × 2–8 mm;

peduncles and pedicels ascending to erect, glabrous or pedicels slightly 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 ovate to lanceolate, 3–4.6 × 1.2–2 mm, apex acute to short-acuminate, glabrous or sparsely glandular-pubescent;

corolla rose pink to rose magenta, with reddish purple nectar guides, bilaterally symmetric, bilabiate, ventricose, 13–22 mm, glandular-pubescent externally, white-pilose and glandular-pubescent internally abaxially, tube 3–7 mm, throat gradually inflated, 5–7 mm diam., rounded abaxially;

stamens included, pollen sacs explanate, 1.1–1.4 mm, sutures smooth;

staminode 10–12 mm, flattened distally, 0.7–1(–2.5) mm diam., tip straight, distal 4–5 mm retrorsely hairy, hairs yellow or whitish, to 1 mm;

style 13–15 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.

7–9 × 4–5 mm.

4–7 × 3–4.5 mm.

= 16.