Flora of North America species comparison

blade dull green, to 5 mm wide.

blade dull green, to 4.5 mm wide.

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.

erect;

perianth pale lemon yellow, salverform to funnelform, 2–12.5 cm;

perianth tube yellow with some green, 1.5–7.2 cm, diam. primarily uniform, ca. 2/3–3/4 perianth length, ca. 8–10 times filament length, longer than spathe;

tepals often reflexed;

stamens fasciculate, appearing equal;

filaments subulate, 0.15–0.7 cm, apex acute;

anthers 4–7 mm;

style longer than perianth tube;

stigma capitate, among to exserted beyond anthers;

pedicel 0–0.6 cm, shorter than spathe.

(3–)4–5(–5.7) cm.

2.1–4 cm.

= 48, 60, 68, 72.

= 48, 72.