Flora of North America species comparison

blades green, usually oblanceolate, sometimes obovate or narrowly elliptic, 10–30 × 3–12 mm, margins usually serrulate from apex to at least mid blade, surfaces usually glandular abaxially, usually glabrous adaxially.

blades glaucous abaxially, green adaxially, usually narrowly elliptic to elliptic, rarely oblong, 5–18 × 2–55 mm, margins entire, slightly revolute.

in axils of leaflike bracts at base of current year’s shoots.

nodding, slender, 2–3 cm, bracteolate;

bracteoles 2, greenish white, scalelike, 1–2 mm wide.

calyx pale green, lobes vestigial, glabrous;

corolla white, white with pink striping, or pink, cylindric-urceolate to globose, 4–7 × 3–5 mm, thin, glaucous;

filaments glabrous.

calyx lobes relatively small;

corolla strongly reflexed at anthesis, white to pink;

filaments hairy;

anther tubules 1–2 mm.

usually blue, glaucous, rarely dull black, 5–9 mm diam.

red to pink, 9–14 mm diam., smooth.

ca. 1 mm.

= 24.

= 24.