Flora of North America species comparison

proximal blades 15–45 cm × 3–15 mm.

proximal blades 5–50 cm × 2–30 mm.

usually paniculate, 20–60-flowered, with 1–8 branches, narrow, terminal raceme pyramidal in early anthesis, 3–30 × 3–7 cm, proximal branches 1/10–1/2 length of entire inflorescence, ascending at 10°–60° angle.

racemose or paniculate, 2–80-flowered, broad, proximal branches 1/3–1/2 as long as entire inflorescence, spreading at 60°–90° angle.

perianth hypogynous, campanulate, 10–15 mm diam.;

tepals persistent in fruit, cream colored, ovate, 3–8 × 1–4 mm, outer unclawed or rarely clawed to 5 mm, apex usually obtuse;

gland 1, obovate, distal margins obscure, thin;

filaments straight, usually equaling tepals, occasionally longer, thickened proximally;

pedicel usually ascending in fruit, occasionally perpendicular to stem, 10–35 mm, bracts green, somewhat falcate, 3–20 mm.

perianth hypogynous, rotate, 15–25 mm diam.;

tepals persistent in fruit, cream colored, 5–15 × 2–6 mm, outer very short clawed, inner distinctly clawed 2 mm;

gland 1, obovate, distal margins evident, dentate;

filaments straight, shorter than tepals, thickened proximally;

pedicel ascending in flower to perpendicular to stem in fruit, 10–50 mm, bracts green, somewhat falcate, 5–50 mm.

8–16 × 3–8 mm.

8–30 × 4–11 mm.

= 32.

= 22.