Flora of North America species comparison

blade dull green, to 1(–2) mm wide.

blade dull green, to 3 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 cadmium yellow, funnelform, (1.9–)2.2–4(–6) cm;

perianth tube green, (0.2–)0.5–0.9(–1) cm, increasing in diam., less than 1/4 perianth length, ca. 1/2 (1/5–2/3) filament length, ca. 1/6 (1/8–1/4) spathe length;

tepals rarely reflexed;

stamens diverging, appearing equal;

filaments filiform, (0.5–)0.7–1.1(–1.5) cm;

anthers 3–7 mm;

style longer than perianth tube;

stigma capitate, usually among anthers;

pedicel (0.3–)1.4–3.3(–4.4) cm, sometimes longer than spathe.

2.1–3.1 cm.

1.9–3.8 cm.

= 48.

= 48.