Flora of North America species comparison

blade glaucous-green, to 8 mm wide.

blade dull green, to 4 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 lemon yellow, funnelform, 3.1–5 cm;

perianth tube green, 0.7–1 cm, increasing in diam., less than 1/3 perianth length, ca. 1/2 (1/3–3/4) filament length, less than 1/2 spathe length;

tepals rarely reflexed;

stamens diverging, in 2 distinctly subequal sets;

filaments filiform, subequal, 1.2–2 cm;

anthers 5–7 mm;

style longer than perianth tube;

stigma capitate, usually among or below anthers, not exserted more than 1 mm beyond anthers;

pedicel 2.3–4.4 cm, usually longer than spathe.

(3–)4–5 cm.

1.6–2.6 cm.

= 48, 72.

= 48.