Flora of North America species comparison

blade dull green, to 1(–2) mm wide.

blade dull green, to 5 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 lemon yellow, salverform to broadly funnelform, 2.5–9 cm;

perianth tube yellowish green, 1.1–4.4 cm, diam. uniform, ca. 1/2 perianth length, ca. 3–5 times filament length, somewhat shorter than spathe;

tepals usually reflexed;

stamens fasciculate to semifasciculate, appearing equal;

filaments subulate, 0.4–0.9 cm, apex acute;

anthers 3–7 mm;

style longer than perianth tube;

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

pedicel (0–)0.1–3.5 cm, shorter than spathe.

2.1–3.1 cm.

2.2–4.6 cm.

= 48.

= 53, 54, 58, 70, 72.