Flora of North America species comparison

blades pale green or glaucous abaxially, slightly darker pale green adaxially, ovate to elliptic, rarely obovate, 25–39 × 16–20 mm, margins entire to obscurely serrate, abaxial surface glabrous, eglandular (sometimes hairy or glandular along midvein), adaxial surface usually glabrous (sometimes hairy and/or glandular).

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 or glaucous, lobes vestigial or absent, glabrous;

corolla pink, bronze-pink, or greenish white, globose, sometimes urceolate, 5–7 × 4–5 mm, thin, glaucous;

filaments glabrous or pilose basally.

calyx lobes relatively small;

corolla strongly reflexed at anthesis, white to deep pink;

filaments hairy;

anther tubules 2–2.5 mm.

blue, dull purplish black, or black, sometimes glaucous, 8–10 mm diam.

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

ca. 1 mm.

= 24, 48.

= 24, 48, 72.