Flora of North America species comparison

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

ascending to erect, 20–95 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.

cauline, opposite or subopposite, glabrate or retrorsely hairy, not glaucous;

cauline 5–13 pairs, short-petiolate or sessile, 13–70 × 5–30 mm, blade ovate to lanceolate, base tapered, margins laciniate-dentate to irregularly laciniate-pinnatifid, 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, 2–25(–48) cm, axis densely glandular-pubescent, verticillasters 3–7(–15), cymes 2–7-flowered, 1 or 2 per node;

proximal bracts lanceolate, 7–43 × 2–16 mm;

peduncles and pedicels spreading, sparsely to densely 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, 4–7 × 1.3–2.3 mm, glandular-pubescent;

corolla bluish to lavender, or pinkish, with reddish purple nectar guides, ventricose-ampliate, 15–32 mm, glandular-pubescent externally, glabrous internally or sparsely to moderately white-lanate abaxially, tube 7–12 mm, throat gradually inflated, 5–14 mm diam., rounded abaxially;

stamens: longer pair reaching orifice or exserted, filaments glabrous, pollen sacs parallel, 1.3–2 mm, distal 1/2 indehiscent, sides glabrous, sutures denticulate, teeth to 0.2 mm;

staminode 16–23 mm, exserted, 0.3–0.8 mm diam., glabrous or distal 2–8 mm sparsely lanate, hairs yellow, to 2 mm;

style 11–23 mm.

3.5–5 × 2–3 mm, glabrous.

5–9 × 4–5 mm.

= 32.

= 16.