Flora of North America species comparison

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

ascending to erect, (25–)30–60 cm, puberulent proximally, glandular-pubescent distally.

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.

basal and cauline, not leathery, puberulent proximally, glandular-pubescent distally;

basal and proximal cauline petiolate, 55–140 × 2–14 mm, blade oblanceolate, base tapered, margins entire or ± dentate, apex obtuse to acute;

cauline 3–6 pairs, short-petiolate or sessile, 25–40(–60) × 1–3(–7) mm, blade lanceolate, base tapered to subcordate-clasping, margins entire or ± serrate, 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.

interrupted, cylindric, 8–30 cm, axis glandular-pubescent, verticillasters 6–10, cymes 1- or 2(or 3)-flowered, 2 per node;

proximal bracts lanceolate to linear, 5–35 × 1–6 mm;

peduncles and pedicels glandular-pubescent.

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 lanceolate, 4–7 × 1–1.8 mm, glandular-pubescent;

corolla blue to violet, with reddish purple nectar guides, funnelform, 16–20 mm, sparsely to moderately white- or yellow-lanate internally abaxially, tube 7–8 mm, throat gradually inflated, not constricted at orifice, 6–8 mm diam., 2-ridged abaxially;

stamens included, pollen sacs parallel, navicular, 1.4–1.8 mm, dehiscing completely, sutures papillate;

staminode 9–11 mm, reaching orifice or barely exserted, 0.7–0.9 mm diam., tip recurved, distal 6–8 mm densely hairy, hairs yellow-orange, to 1.4 mm;

style 7–9 mm.

5–8 × 4–5 mm, glabrous.

7–9 × 4–6 mm.

= 48.