Flora of North America species comparison

1–5, terminal from caudex, erect or nearly so.

1, often branched from near base and distally, main axis erect.

cauline, ± evenly spaced;

blade widely ovate to elliptic, 1.5–4 cm × 8–22 mm, apex obtuse.

basal and cauline, cauline ± evenly spaced;

basal blades oblong-obovate to ovate, 0.4–2.3 cm × 2–9 mm, apex obtuse to acute;

cauline blades ovate to elliptic, 0.3–1 cm × 2–7 mm on main axis, smaller on branches, apex generally ± acute.

solitary flowers or occasionally a terminal pair.

solitary flowers or open, 2–7-flowered cymes terminating main axis and branches.

calyx 8–12 mm, tube cleft to base or nearly so into 2 spathaceous segments, lobes elliptic to ovate-lanceolate, 0.5–5 mm, margins not ciliate;

corolla bright blue, campanulate, open, 30–38 mm, lobes widely ovate-triangular, 6–11 mm, free portions of plicae spreading, low-triangular, less than 1 mm, notched at apex, otherwise entire;

anthers distinct.

calyx 4–7 mm, lobes linear-oblong, 1.5–3 mm, margins not ciliate;

corolla adaxially white with purple spots near base of lobes distal to yellowish green throat, abaxially suffused with green and distally with deep blue, nearly salverform, open, 9–14 mm, lobes ovate-triangular, 3–5 mm, free portions of plicae symmetrically divided to base into 2 lanceolate, acuminate segments;

anthers distinct.

not winged.

winged.

 = 26.