Flora of North America species comparison

proximal blades 15–45 cm × 3–15 mm.

proximal blades 15–35 cm × 3–15 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.

paniculate, 10–80-flowered, narrow, terminal raceme pyramidal in anthesis, 2–30 × 2–4 cm, proximal branches usually less than 6 cm, 1/10–1/2 length of entire inflorescence, diverging from main axis at 10°–60° when in fruit.

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, campanulate, 5–10 mm diam.;

tepals persistent in fruit, cream colored, ovate, 2–5 × 1–4 mm, outer usually not clawed, apex usually acute;

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

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

pedicel ascending to perpendicular to stem in fruit, 3–25 mm, bracts green, lanceolate, 5–15 mm.

8–16 × 3–8 mm.

5–20 × 3–8 mm.

= 32.

= 22.