Flora of North America species comparison

proximal blades 12–50 cm × 2–10 mm.

blade sometimes becoming reddish brown with age, 19–42 cm × 5–20 mm, glaucous abaxially.

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.

loosely paniculate, 30–75-flowered, with 2–6 ascending branches, pyramidal, 10–60 × 5–12 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, 20–30 mm diam.;

tepals persistent in fruit, white to cream colored, ovate to lanceolate, 9–15 × 3–5 mm, somewhat contracted at base;

glands 2, elliptic, margins thickened;

pedicel bracts ovate, 5–15 mm.

8–20 × 4–7 mm.

conic, 10–15 mm.

= 22.

= 52.