Flora of North America species comparison

blade glaucous-green, to 8 mm wide.

blade dull green, to 5 mm wide.

erect;

perianth white, sometimes flushed pink abaxially, more so with age, broadly funnelform, 6–9 cm;

perianth tube white to green, 3–4(–4.7) cm, diam. primarily uniform, ca. 1/2 perianth length, more than 15 times filament length, equaling (3/4–11/4) spathe length;

tepals rarely reflexed;

stamens fasciculate, distinctly subequal;

filaments subulate, 0.1–0.2 cm, apex acute;

anthers 5–8 mm;

style notably shorter than perianth tube;

stigma 3-fid, included in perianth tube;

pedicel (0.2–)0.5–2(–3.3) cm, shorter than spathe.

erect;

perianth white, sometimes tinged or veined pink, salverform, (7.3–)9–14(–16) cm;

perianth tube primarily white, sometimes pale green proximally, (7–)8–12(–13) cm, diam. uniform, 3/4 or more perianth length, at least 15 times filament length, ca. 2–4 times spathe length;

tepals rarely reflexed;

stamens fasciculate, appearing equal;

filaments subulate, 0.2–0.5 mm, apex blunt;

anthers 4–8(–9) mm;

style longer than perianth tube;

stigma capitate, among or very near anthers, exserted no more than 2 mm beyond anthers;

pedicel absent or rarely 0.1 cm and much shorter than spathe.

(3–)4–5 cm.

(3–)4–5(–5.7) cm.

= 48, 72.

= 48, 60, 68, 72.