Flora of North America species comparison

blade glossy deep green, to 3 mm wide.

blade dull green, to 1 mm wide.

erect;

perianth white, sometimes pinkish abaxially, subrotate, 3–4.5 cm;

perianth tube green, 0.1–0.4 cm, increasing in diam., less than 1/4 times perianth length, 1/5–1/3 times filament length, ca. 1/10 times spathe length;

tepals not reflexed;

stamens diverging, subequal;

filaments filiform, 1–1.4 cm;

anthers 5–8 mm;

style longer than perianth tube;

stigma capitate, usually among or exserted less than 2 mm beyond anthers;

pedicel (0.4–)1–2.5 cm, usually shorter than spathe.

erect;

perianth white, sometimes tinged and veined pink, salverform, (11–)12–15.4 cm;

perianth tube primarily white, 9–12.6 cm, diam. uniform, 3/4 or more perianth length, at least 15 times filament length, 3–5 times spathe length;

tepals often reflexed;

stamens fasciculate, appearing equal;

filaments subulate, 0.2–0.4 cm, apex blunt;

anthers 4–8 mm;

style longer than perianth tube;

stigma capitate, exserted more than 2 mm beyond anthers;

pedicel absent.

(1.8–)2–4 cm.

(2–)3–4 cm.

= 38.

= 24.