Flora of North America species comparison

proximal blades 12–50 cm × 2–10 mm.

proximal blades 12–45 cm × 2–10 mm.

racemose or paniculate with 1 or 2 basal branches, 10–50-flowered, terminal raceme pyramidal in anthesis, 2–20 × 2–5 cm, branches (if any) 1/10–1/3 length of entire inflorescence, diverging from main axis at 10°–60° when in fruit.

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, campanulate, 5–10 mm diam.;

tepals persistent in fruit, cream colored, 2–5 × 1–3 mm, outer often clawed, apex usually acute;

gland 1, obovate, distal margins evident to obscure, irregular;

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

pedicel usually ascending in fruit, occasionally perpendicular to stem, 3–25 mm, bracts usually green, sometimes white, 5–25 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.

8–20 × 4–7 mm.

6–18 × 2–7 mm.

= 22.

= 22.