Flora of North America species comparison

(24–)30–100 cm.

ascending to erect, (6–)15–42 cm, ± retrorsely hairy or pubescent, not glaucous.

basal and proximal cauline 20–52 × 3–11 mm, blade base tapered, margins entire, apex obtuse;

cauline 4–12 pairs, 20–70 × 2–14 mm, blade base tapered, apex obtuse or acute.

basal and cauline, ± leathery or not, densely retrorsely hairy, not glaucous;

basal and proximal cauline 20–70 × 3–16(–22) mm, blade oblanceolate, base tapered, margins entire, apex obtuse to acute;

cauline 2–5 pairs, short-petiolate or sessile, 19–72 × 3–9 mm, blade oblanceolate to lanceolate, base tapered to truncate, apex obtuse to acute.

(3–)6–28 cm, verticillasters (3–)6–12, cymes 2–5-flowered;

proximal bracts lanceolate to linear, 6–36 × 1–6 mm;

peduncles and pedicels glandular-pubescent.

continuous, secund, (4–)10–22 cm, axis retrorsely hairy to retrorsely pubescent or pubescent, verticillasters (3–)5–8, cymes 1–5-flowered, 2 per node;

proximal bracts oblanceolate to lanceolate, 25–70 × 3–9 mm;

peduncles and pedicels retrorsely hairy and glandular-pubescent.

calyx lobes ovate to lanceolate, 4–6 × 1.7–2.1 mm;

corolla orangish red to scarlet, throat usually yellowish or orangish, unlined internally, 22–33 mm, sparsely white-puberulent, tube 3–5 mm, throat 4–6 mm diam.;

pollen sacs 1.8–2.3(–2.5) mm;

staminode 14–16 mm;

style 18–26 mm, exserted.

calyx lobes ovate, 6–8.5 × 2.8–3.8 mm, glandular-pubescent;

corolla blue to lavender, with or without faint lavender nectar guides, ventricose, 24–30 mm, glandular-pubescent externally, glabrous internally, tube 8–12 mm, throat gradually inflated, slightly constricted at orifice, 6–9(–12) mm diam., slightly 2-ridged abaxially;

stamens: longer pair reaching orifice or slightly exserted, pollen sacs divergent, sigmoid, 2–2.5 mm, dehiscing incompletely, proximal 1/5–1/4 indehiscent, connective not splitting, sides glabrous, sutures denticulate, teeth to 0.1 mm;

staminode 16–18 mm, included, 0.5–0.8 mm diam., tip straight, glabrous;

style 20–24 mm.

7–10 × 4–5 mm.

12–15 × 8–10 mm.

= 16.