Flora of North America species comparison

ascending to erect, (30–)60–100 cm, slightly glaucous or not.

ascending to erect, (5–)8–30 cm, retrorsely hairy, hairs white, scalelike.

basal and proximal cauline 20–165 × 12–50 mm, blade ovate to lanceolate, base tapered, margins finely to coarsely dentate, apex obtuse to acute;

cauline 4–7 pairs, sessile or proximals short-petiolate, 45–90 × 22–76 mm, blade ovate to triangular, base tapered or sessile on proximals, auriculate-clasping to connate-perfoliate on distal ones, margins finely to coarsely dentate, apex acute.

± leathery or not, densely retrorsely hairy, hairs appressed, white, scalelike;

cauline 10–30 pairs, petiolate, 8–16 × 1.5–2.5 mm, blade oblanceolate, base tapered, apex mucronate.

interrupted or continuous, secund, (6–)12–48 cm, axis glabrous, verticillasters 4–13, cymes 1–3(–6)-flowered;

proximal bracts ovate (connate-perfoliate) or lanceolate (auriculate-clasping), (9–)16–55 × 10–60 mm;

peduncles and pedicels ascending to erect, glabrous or glandular-pubescent.

interrupted or continuous, secund, (1–)2–9 cm, axis retrorsely hairy with appressed, white, scalelike hairs, verticillasters 2–13, cymes 1–4-flowered, 1 per node;

proximal bracts oblanceolate, 2–10 × 0.5–1.5 mm;

peduncles and pedicels spreading to ascending, retrorsely hairy with appressed, white, scalelike hairs, and sparsely glandular-pubescent.

calyx lobes ovate, 3–5.5 × 2–3.2 mm, glabrous or glandular-pubescent;

corolla rose pink, with reddish purple nectar guides, strongly bilabiate, ventricose, (18–)25–34 mm, glandular-pubescent externally, glandular-pubescent internally, tube 6–9 mm, length 1.6–2 times calyx lobes, throat gradually inflated, ± constricted at orifice, 7–10 mm diam., rounded abaxially;

stamens: longer pair reaching orifice, filaments of shorter pair glandular-puberulent proximally, pollen sacs explanate, 1.5–2 mm, sutures smooth;

staminode 11–17 mm, included, 0.2–0.4 mm diam., tip straight to recurved, glabrous or distal 1–2 mm sparsely to moderately lanate, hairs yellow, to 1 mm;

style 20–25 mm, glabrous.

calyx lobes ovate, 3.5–5.5 × 1.5–2 mm, scarious-margined, retrorsely hairy with appressed, white, scalelike hairs, and sparsely glandular-pubescent;

corolla purple to violet, lined internally abaxially with reddish purple nectar guides, tubular-funnelform, 14–18 mm, sparsely white-lanate internally abaxially, tube 5–6 mm, throat gradually inflated, 4.5–6 mm diam., 2-ridged abaxially;

stamens included, filaments glabrous or sparsely puberulent and sometimes with appressed, white, scalelike hairs proximally, pollen sacs opposite, navicular, 0.9–1.4 mm, sutures papillate;

staminode 7–9 mm, reaching orifice or exserted, flattened distally, 0.3–0.4 mm diam., tip straight to recurved, distal 4–5 mm pilose, hairs yellow, to 0.7 mm;

style 9–11 mm.

7–12 × 4–6 mm, glabrous.

5–7 × 4–5 mm.