Flora of North America species comparison

ascending to erect, 30–120 cm, glaucous.

ascending to erect, 20–95 cm, retrorsely hairy, hairs pointed, not glaucous.

glabrous, glaucous;

cauline 5–11 pairs, short-petiolate or sessile, 40–100 × 10–40 mm, blade ovate to lanceolate, base tapered to auriculate-clasping, margins entire, apex rounded to 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, secund to ± cylindric, 15–60(–100) cm, axis glabrous or obscurely scabrous, verticillasters 8–18(–22), cymes 1–5(–11)-flowered;

proximal bracts ovate to lanceolate, (3–)7–25(–87) × (1–)3–14(–30) mm;

peduncles and pedicels erect, glabrous or obscurely scabrous.

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 ovate to lanceolate, 3–6 × 2–3 mm, margins erose, glabrous;

corolla scarlet, without nectar guides, nearly radially symmetric, weakly bilabiate, salverform, 25–33 mm, glabrous externally, glabrous internally, tube 8–10 mm, throat slightly inflated, 4.5–6 mm diam., rounded abaxially;

stamens: longer pair reaching orifice, pollen sacs explanate, 0.9–1.2 mm, sutures smooth;

staminode 13–14 mm, terete to slightly flattened distally, 0.1–0.3 mm diam., tip straight, glabrous;

style 18–27 mm, exserted.

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.

8–11 × 6–7 mm.

5–9 × 4–5 mm.

= 16.

= 16.