Flora of North America species comparison

blade dull green, to 1(–2) mm wide.

blade dull green, to 4 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 dark lemon yellow, funnelform, 2.5–5 cm;

perianth tube green, (1–) 1.2–2(–2.4) cm, increasing in diam., less than 1/2 perianth length, ca. 2 times filament length, ca. 1/2–3/4 spathe length;

tepals sometimes reflexed;

stamens diverging to semifasciculate, appearing equal;

filaments filiform, (0.5–)0.6–0.8(–1.1) cm;

anthers ca. 7 mm;

style longer than perianth tube;

stigma capitate, usually among anthers;

pedicel (0.1–)0.2–1.6(–1.8) cm, shorter than spathe.

2.1–3.1 cm.

1.9–3.2 cm.

= 48.

= 46, 48.