Flora of North America species comparison

erect, (6–)10–40 cm, glabrous or puberulent, not glaucous.

ascending to erect, 7–27 cm, glabrous or ± puberulent distally or at nodes, not glaucous.

basal and cauline, ± leathery or not, glabrous;

basal and proximal cauline (12–)25–115 × (4–)7–22 mm, blade oblanceolate to lanceolate or elliptic, base tapered, margins entire, apex obtuse to acute;

cauline 2–4 pairs, sessile, 18–65 × 3–16 mm, blade oblanceolate to lanceolate, sometimes ovate, base tapered to clasping, margins entire, apex obtuse to acute.

essentially cauline, basal leaves absent or reduced, ± leathery, glabrous, not glaucous;

basal and proximal cauline 12–90(–105) × 3–23 mm, blade elliptic-lanceolate to oblanceolate, base tapered, margins entire, apex obtuse to acute;

cauline 2–4 pairs, petiolate or sessile, 35–95(–107) × 11–30 mm, blade elliptic-lanceolate to oblanceolate, base tapered to truncate, apex obtuse to acute.

continuous or interrupted, cylindric, 1–12 cm, axis ± puberulent, rarely glandular-pubescent, verticillasters 1–4, cymes 2–10-flowered, 2 per node;

proximal bracts lanceolate, sometimes ovate, 12–44 × 2–13 mm, margins entire;

peduncles and pedicels erect, glabrous or ± puberulent, rarely glandular-pubescent.

continuous, ± secund, 3–15 cm, axis glabrous or ± glandular, verticillasters 1–7, cymes 2–8-flowered, 2 per node;

proximal bracts ovate to elliptic, 16–85 × 7–31 mm;

peduncles and pedicels glabrous or ± glandular, peduncles to 15 mm, pedicels 1–3 mm.

calyx lobes ovate to lanceolate, 5–9 × 1.8–2.7 mm, glabrous, rarely glandular-pubescent;

corolla light yellow, without nectar guides, funnelform, 12–16 mm, glabrous externally, rarely glandular-pubescent, sparsely to moderately yellow-pubescent internally abaxially, tube 5–7 mm, throat gradually inflated, 4–6 mm diam., 2-ridged abaxially;

stamens included or longer pair reaching orifice, pollen sacs opposite, navicular to subexplanate, 0.7–0.9 mm, dehiscing completely, connective splitting, sides glabrous, sutures smooth;

staminode 8–9 mm, included, 0.4–0.7 mm diam., tip straight to slightly recurved, distal 2–3 mm moderately pilose, hairs yellow or golden yellow, to 0.8 mm;

style 8–11 mm.

calyx lobes ovate to lanceolate, 6.5–12 × 2.8–4.5 mm, margins erose, apex acuminate to caudate, ± glandular;

corolla blue to violet, with violet nectar guides, ventricose, 18–33 mm, glabrous externally, glabrous internally, tube 7–9 mm, throat abruptly inflated, slightly constricted at orifice, 7–9 mm diam., rounded abaxially;

stamens included or longer pair reaching orifice, pollen sacs divergent to nearly opposite, navicular-sigmoid, (1.8–)2.2–2.6 mm, dehiscing incompletely, connective not splitting, sides sparsely to moderately hispidulous or pubescent, hairs white, to 0.3 mm;

sutures denticulate, teeth to 0.1 mm;

staminode 13–17 mm, included, 0.5–0.9 mm diam., tip straight, glabrous or distal 1–3 mm pubescent, hairs yellow, to 0.5 mm;

style 17–20 mm.

5–8 × 4–5 mm, glabrous.

8–12 × 5–8 mm.

= 48.