Flora of North America species comparison

blades usually glaucous, obovate, oblanceolate, or, rarely, elliptic, 17–35 × 9–17 mm, margins usually serrate for at least distal 2/3, surfaces usually glabrous, eglandular or, rarely, glandular throughout, often glandular-hairy along midvein.

persistent for 1+ years;

blade usually pale green abaxially, dark green adaxially, elliptic, 7–11 × 3–5 mm, coriaceous, margins entire, (often inrolled), surfaces usually glabrous abaxially (rarely minutely hairy along midvein).

calyx glaucous, lobes indistinct or shallow, glabrous;

corolla pink, creamy pink, or red, globose to globular-urceolate, 4–6 × 5–7 mm, thin, glaucous;

filaments glabrous.

calyx greenish, glabrous;

corolla white tinged with pink or red, ± urceolate, 4–6 mm;

filaments ciliate.

usually blue, glaucous, sometimes dull black, maroon, or red, 9–13 mm diam.

blue, glaucous, 8–10 mm diam., glabrous.

ca. 1 mm.

10–20, ca. 1 mm.

= 48.

= 24.