Flora of North America species comparison

ascending to erect, (15–)20–40 cm, glaucous.

ascending to erect, 8–25(–32) cm, glabrous.

glabrous or obscurely scabrous, especially along margins, glaucous;

basal and proximal cauline (30–)50–75 × 7–14 mm, blade oblanceolate, base tapered, margins entire, apex obtuse to acute, sometimes mucronate;

cauline 2–4 pairs, sessile, 25–70(–90) × 4–15(–25) mm, blade lanceolate, base tapered, margins entire, apex acute.

essentially cauline, basal usually reduced or absent, glabrous;

proximal cauline (15–)20–55 × (4–)10–25 mm, blade spatulate to lanceolate, base tapered, apex rounded to obtuse or acute;

cauline 4–6 pairs, short-petiolate or sessile, 30–58 × 9–26 mm, blade ovate to elliptic or lanceolate, base tapered to clasping, apex obtuse to acute.

± interrupted, ± secund, 5–26 cm, axis glabrous, verticillasters 5 or 6(–10), cymes 3–7(–13)-flowered;

proximal bracts lanceolate, 10–54 × 3–16 mm;

peduncles and pedicels spreading to ascending, glabrous.

± interrupted, cylindric, 8–14 cm, axis glabrous, verticillasters 4–9, cymes 1–5-flowered;

proximal bracts ovate, 16–44 × 6–24 mm;

peduncles and pedicels glabrous.

calyx lobes ovate, 3–6(–7) × 1.9–2.6 mm, margins entire or erose, glabrous;

corolla violet or reddish violet to lavender, with red or reddish purple nectar guides, bilaterally symmetric, bilabiate, tubular-funnelform, 13–17(–20) mm, glabrous externally or buds and young flowers sometimes with sessile glands distally, glabrous internally, tube 5–7 mm, throat gradually inflated, 6–7 mm diam., rounded or slightly 2-ridged abaxially;

stamens included, pollen sacs navicular, 1–1.3 mm, sutures smooth or papillate;

staminode 7–8 mm, flattened distally, 0.5–0.6 mm diam., tip recurved, distal 1–3 mm sparsely papillate, papillae golden yellow or reddish yellow, to 0.2 mm;

style 10–12 mm.

calyx lobes lanceolate, 5–6.5 × 1.9–3 mm, margins entire or erose, broadly scarious, glabrous;

corolla pink, with rose pink nectar guides, tubular-funnelform, 15–18 mm, glabrous externally, glabrous internally, tube 5–6 mm, throat gradually inflated, 4–5 mm diam., rounded abaxially;

stamens included, pollen sacs opposite, 1–1.2 mm, sutures smooth;

staminode 8–9 mm, reaching orifice, 0.7–0.8 mm diam., tip recurved, distal 0.5–1.5 mm sparsely lanulose, hairs yellow, to 0.6 mm;

style 14–16 mm.

8–10 × 4–6 mm.

7–10 × 5–8 mm.

= 16.