Flora of North America species comparison

blade dull green, to 1(–2) mm wide.

blade dull green, to 1 mm wide.

erect to slightly inclined;

perianth yellow, funnelform, 2.1–2.8 cm;

perianth tube green, 0.2–0.6 cm, increasing in diam., no more than 1/4 perianth length, ca. 1/2 (1/4–3/4) filament length, no more than 1/4 spathe length;

tepals rarely reflexed;

stamens diverging, in 2 distinctly unequal sets;

filaments filiform, 0.7–1.1 cm;

anthers in 2 nonoverlapping sets, 3–6 mm;

style longer than perianth tube;

stigma 3-fid, usually among anthers;

pedicel 0.7–1.5 cm, 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.

2.1–3.1 cm.

(2–)3–4 cm.

= 48.

= 24.