Flora of North America species comparison

proximal blades 15–45 cm × 3–15 mm.

proximal blades 10–30 cm × 3–8 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.

usually paniculate, 20–80-flowered, with 1–8 branches, terminal raceme 10–45 × 3–8 cm.

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, 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.

8–16 × 3–8 mm.

8–16 × 5–10 mm.

= 32.

= 22.