Flora of North America species comparison

1.

1–several, with several rosettes, puberulent.

blades not white-margined;

basal spatulate or oblanceolate to elliptic-obovate, 7–50 × 1–15 cm, apex rounded to acute;

cauline leaves whorled, blade oblong-lanceolate.

blades narrowly white-margined, glabrous or abaxial surfaces puberulent proximally;

basal narrowly oblanceolate, 1.4–14 × 0.2–0.7 cm, basal leaves usually shorter than lowest internode;

cauline leaves opposite, distal blades nearly linear.

elongate, open proximally, ± dense distally.

narrow, 1.5–4 cm wide, ± continuous throughout or interrupted proximally.

calyx 10–25 mm;

corolla pale yellowish green, purple-dotted, occasionally suffused with purple distally, 12–25 mm, lobes elliptic-oblong to obovate, apex [obtuse or] acute to short-acuminate;

androecial corona scales 7–9 mm, deeply multicleft;

style slender, distinct;

nectaries and foveae 2 per corolla lobe, foveae narrowly elliptic, opening directly adaxial to nectary, each opening with a ± even fringe all around, the pair opening into a green but not rimmed area on the corolla surface.

calyx 4–8 mm;

corolla white or slightly suffused with blue, dark blue-dotted, abaxially with a green central stripe, 6–9 mm, lobes proximally oblong, distally triangular, apex acuminate;

corona scales deeply cleft into distally threadlike segments, 2 mm;

style slender, distinct;

nectaries and foveae 1 per lobe, fovea narrowly oblong, opening into an oblong differentiated area on the corolla surface, rim fringed all around but fringes shorter distally.

 = 78.