Flora of North America species comparison

proximal blades 12–50 cm × 2–10 mm.

proximal blades 10–30 cm × 3–8 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, 20–80-flowered, with 1–8 branches, terminal raceme 10–45 × 3–8 cm.

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, 10–20 mm diam.;

tepals persistent in fruit, cream colored, elliptic, 4–7 × 2–5 mm, outer not clawed;

gland 1, obovate, distal margins evident;

filaments thin and curved, shorter than tepals;

pedicel usually perpendicular to stem in fruit, 12–40 mm, bracts green, 2–8 mm.

8–20 × 4–7 mm.

8–16 × 5–10 mm.

= 22.

= 22.