Flora of North America species comparison

1.

1–several, with several rosettes.

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, basal 2–20 × 0.3–0.9 cm, linear to narrowly oblanceolate;

cauline leaves opposite, blade linear to narrowly oblanceolate.

elongate, open proximally, ± dense distally.

narrow, 1.5–4 cm wide, dense, interrupted.

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 5–8 mm;

corolla greenish white, purple-streaked, 7–15 mm, lobes oblong-obovate, apex abruptly acuminate;

androecial corona a low fringe;

style slender, distinct;

nectaries and foveae 1 per corolla lobe, foveae opening distal to nectary, into a round to nearly square differentiated area on the corolla lobe, rim ± evenly fringed all around.

 = 78.