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, ovate, sometimes elliptic, 3–10 × 1–5 mm, coriaceous, margins entire, strongly revolute.

in axils of leaflike bracts at base of previous year’s or older shoots, (leafy portion often failing to elongate).

nodding, slender, 2–3 cm, bracteolate or not;

bracteoles 1–5, reddish, scalelike, to 1 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 deep pink;

filaments hairy;

anther tubules 2–2.5 mm.

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

deep red, red-spotted at first, 6–12 mm diam., smooth.

ca. 1 mm.

= 24.

= 24, 48, 72.