Flora of North America species comparison

ascending to erect, 20–50(–65) cm, glabrous or retrorsely hairy, not glaucous.

ascending to erect, 13–50 cm, retrorsely hairy, hairs pointed, not glaucous.

basal and cauline, basal often poorly developed, not leathery, glabrous;

basal and proximal cauline 20–75 × 2–5(–7) mm, blade narrowly elliptic to linear, base tapered, margins entire, apex obtuse to acute;

cauline 5–8 pairs, sessile or proximals long-petiolate, 15–75 × 2–8 mm, blade lanceolate to linear, base tapered, margins entire, apex acute.

essentially cauline, opposite, retrorsely hairy, hairs pointed, sometimes glabrate, not glaucous;

cauline 5–8 pairs, petiolate or sessile, 22–80 × (1–)2–9 mm, blade oblanceolate to lanceolate or linear, base tapered, margins entire, apex obtuse to acute.

interrupted or continuous, cylindric, 3–25 cm, axis glandular-pubescent, verticillasters 2–6(–10), cymes 1–7-flowered, 2 per node;

proximal bracts lanceolate, 6–55 × 1–8 mm, margins entire;

peduncles and pedicels erect, glandular-pubescent.

interrupted, cylindric, 4–14 cm, axis glandular-pubescent, verticillasters (3 or)4–8(–12), cymes 1–5-flowered, 2 per node;

proximal bracts lanceolate, 5–40 × 1–4 mm;

peduncles and pedicels ascending to erect, glandular-pubescent.

calyx lobes obovate to ovate or lanceolate, 1.5–3 × 0.7–1.5 mm, glandular-pubescent;

corolla violet to light blue, pink, or light purple, with or without pink or purple nectar guides, tubular to tubular-funnelform, 8–10 mm, glandular-pubescent externally, moderately yellow-pilose internally abaxially, tube 3–4 mm, throat slightly inflated, 2–3 mm diam., slightly 2-ridged abaxially;

stamens included, pollen sacs opposite, navicular to subexplanate, 0.4–0.5 mm, dehiscing completely, connective splitting, sides glabrous, sutures smooth;

staminode 4–6 mm, included, 0.3–0.4 mm diam., tip straight, distal 0.3–0.5 mm sparsely pilose, hairs yellow, to 0.4 mm;

style 7–8 mm.

calyx lobes ovate to lanceolate, 3.8–7 × 1.4–2.6 mm, glandular-pubescent;

corolla blue to violet or purple, without nectar guides, funnelform, 15–25 mm, glandular-pubescent externally, glabrous internally, tube 6–8 mm, throat gradually inflated, 6–9 mm diam., slightly 2-ridged abaxially;

stamens included, filaments glabrous, pollen sacs parallel, 1.5–2 mm, distal 1/2 indehiscent, sides hispidulous, hairs white, to 0.5 mm near filament attachment, sutures denticulate, teeth to 0.2 mm;

staminode 12–15 mm, reaching orifice, 0.5–1 mm diam., glabrous;

style 13–17 mm.

3.5–5 × 2–3 mm, glabrous.

(5.5–)7–9 × (3–)4–6 mm.

= 32.