Flora of North America species comparison

1.

1 or 2.

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 white-margined;

basal strap-shaped to elliptic-oblanceolate, 5–25 × 0.8–4 cm;

cauline leaves opposite, blades ovate to lanceolate-oblong.

elongate, open proximally, ± dense distally.

diffuse, 5–30 cm wide, primary branches ± elongate and sometimes racemoid.

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 8–17 mm;

corolla pale green, dark purple-dotted, 9–20 mm, lobes oblong-obovate, apex short-acuminate;

androecial corona a low fringe;

style slender, distinct;

nectaries and foveae 1 per corolla lobe, foveae opening distal to nectary, into a U-shaped differentiated area on the corolla surface, rim ± evenly fringed all around.

 = 78.