Flora of North America species comparison

proximal blades 12–50 cm × 2–10 mm.

proximal blades 15–45 cm × 3–15 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, 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.

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, 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.

8–20 × 4–7 mm.

8–16 × 3–8 mm.

= 22.

= 32.