Flora of North America species comparison

ascending to erect, 5–20(–30) cm, retrorsely hairy.

ascending to erect, (8–)15–50 cm, retrorsely hairy, not glaucous.

basal and cauline, not leathery, retrorsely hairy;

basal and proximal cauline petiolate, 12–55(–75) × 4–12 mm, blade elliptic to spatulate, base tapered, margins entire or obscurely and remotely serrate, apex rounded to obtuse or acute;

cauline 2–5 pairs, short-petiolate or sessile, 19–65 × 2–8 mm, blade lanceolate to oblanceolate, base truncate to tapered, margins entire or remotely serrate, apex obtuse to acute.

basal and cauline, basal sometimes absent, not leathery, retrorsely hairy, not glaucous;

basal and proximal cauline 16–60(–80) × 1–3(–4) mm, blade linear, base tapered, margins entire, apex obtuse to acute;

cauline 6–11 pairs, sessile, (2–)10–75 × (0.2–)0.5–3 mm, blade linear, base tapered, apex acuminate.

continuous, cylindric, 2–10 cm, axis densely glandular-pubescent, verticillasters 3–8, cymes 3–5-flowered, 2 per node;

proximal bracts lanceolate, 18–70 × 3–8 mm;

peduncles and pedicels densely glandular-pubescent.

interrupted, secund, (2–)5–25 cm, axis glabrous or puberulent, verticillasters 3–10, cymes 1- or 2-flowered, 1 or 2 per node;

proximal bracts linear, 4–30 × 0.5–2 mm;

peduncles and pedicels glabrous or puberulent.

calyx lobes lanceolate, 4.5–7 × 1.1–1.8 mm, glandular-pubescent;

corolla lavender to bluish lavender or violet, with reddish violet nectar guides, ventricose, 10–14 mm, sparsely to densely white- or yellowish lanate internally abaxially, tube 4–6 mm, throat abruptly inflated, ± constricted at orifice, 4–5 mm diam., rounded abaxially;

stamens included, pollen sacs opposite, explanate, 0.6–0.9 mm, dehiscing completely, sutures smooth;

staminode 9–10 mm, prominently exserted, 0.2 mm diam., tip coiled, distal 5–6 mm densely pubescent, hairs orange or orangish yellow, to 1.2 mm;

style 7–9 mm.

calyx lobes ovate, sometimes obovate or truncate, 3–4.5(–5) × 1.5–2.4 mm, glabrous or sparsely puberulent;

corolla bluish violet to violet, lavender, or purple, with reddish purple nectar guides, ventricose, 17–23 mm, glabrous externally, glabrous internally, tube 5–7 mm, throat gradually inflated, slightly constricted at orifice, (5–)7–9 mm diam., rounded abaxially;

stamens: longer pair exserted, pollen sacs opposite, navicular, 1.2–1.5 mm, dehiscing incompletely, connective not splitting, sides glabrous, sutures papillate;

staminode 12–14 mm, exserted, 0.5–0.8 mm diam., tip straight to recurved, glabrous;

style 13–17 mm.

3–6 × 3–5 mm.

7–14 × 4–5 mm.