Flora of North America species comparison

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

ascending to erect, (6–)10–30(–65) cm, glabrous proximally, glandular-pubescent to glandular-villous distally.

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.

basal and cauline, not leathery, glabrous or distal cauline sometimes glabrous abaxially, glandular-pubescent adaxially;

basal and proximal cauline petiolate, (18–)35–100 × (2–)3–10 mm, blade spatulate to oblanceolate, base tapered, margins entire or obscurely serrate, apex rounded to obtuse or acute;

cauline 2–4 pairs, sessile, 15–68 × 2–16 mm, blade oblong to lanceolate, base tapered to clasping, margins entire or obscurely serrate, 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.

continuous or ± interrupted, cylindric, (1–)3–15 cm, axis glandular-villous, verticillasters 2–6, cymes (1 or)2–5-flowered, 2 per node;

proximal bracts lanceolate to linear, (5–)10–56 × (1–)3–10 mm;

peduncles and pedicels glandular-pubescent.

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, 7–10.5 × 1.4–2.2 mm, glandular-villous;

corolla lavender to purple or bluish violet, with reddish purple nectar guides, ventricose, 19–30 mm, sparsely white- or yellowish villous internally abaxially, tube 5–6 mm, throat abruptly inflated, not constricted at orifice, 8–14 mm diam., rounded abaxially;

stamens included, pollen sacs opposite, navicular, 1.3–1.5 mm, dehiscing completely, sutures smooth;

staminode 13–17 mm, prominently exserted, 0.4–0.6 mm diam., tip straight to recurved, distal 2–3 mm sparsely lanate, hairs yellow, to 2 mm, and medial 4–8 mm sparsely to moderately pilose, hairs yellow, to 1 mm;

style 11–14 mm.

8–10 × 4–6 mm.

7–10 × 4–5 mm.

= 16.

= 16.