Flora of North America species comparison

proximal blades 5–50 cm × 2–30 mm.

proximal blades 12–45 cm × 2–10 mm.

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

usually paniculate with 1–5 branches, occasionally racemose, 10–60-flowered, narrow, terminal raceme often pyramidal in early anthesis, 3–40 × 3–7 cm, proximal branches 2–13 cm, 1/10–1/2 length of entire inflorescence, diverging from main axis at 60°–90° when in fruit.

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.

perianth hypogynous, campanulate, 5–12 mm diam.;

tepals persistent in fruit, cream colored, 3–8 × 1–4 mm, outer sometimes with basal claw to 5 mm, usually with acute apex;

gland 1, obovate, distal margins evident, dentate;

filaments straight, ± equaling tepals or rarely longer, thickened proximally;

pedicel usually perpendicular to stem in flower and in fruit, 12–40 mm, bracts white and membranous to green and foliaceous, narrowly lanceolate, 5–40 mm.

8–30 × 4–11 mm.

6–18 × 2–7 mm.

= 22.

= 22.