Flora of North America species comparison

erect, simple, shorter than 1 m. Leaf blade linear, plano-convex or plano-keeled, widest near middle, 33–65 × 0.5–0.8 cm, slightly flexible, margins entire, white to grayish.

erect, paniculate, dense, arising completely within to mostly extending beyond rosettes, ovoid, 6–8.2 dm, glabrous, rarely slightly pubescent;

peduncle scapelike, to 0.8 m. Flowers pendent, 5–13 cm, nearly as wide;

perianth campanulate;

tepals connate basally to form shallow floral cup 7–12 mm, usually cream-colored, occasionally tinged with purple, 4.5–13 cm;

filaments connate proximally into collarlike structure, 3.2–12 mm, fleshy, pubescent;

anthers 5–7 mm;

pistil 4.5–8 × 0.7–1.2 cm (usually 4–5(–7) times longer than broad);

ovary 0.7–1.2 cm;

style 5–7 mm;

stigmas distinct.

mostly green, racemose, sometimes paniculate proximally, occasionally paniculate and long-racemose distally, arising within rosettes, (5–)7–13 dm, glabrous;

bracts erect;

peduncle scapelike, 0.1–0.5 m, to 2.5 cm diam.

pendent;

perianth campanulate or rarely globose;

tepals distinct, cream or greenish, often tinged rose or rosy brown, narrowly elliptic to broadly elliptic, 5.5–7 × 2–3.2 cm;

filaments to 2.5 cm;

anthers 3.2–4.8 mm;

pistil 1.5–3.2 cm;

style white or pale yellowish green, 7 mm;

stigmas lobed.

pendent, baccate, indehiscent, elongate, 5–23 × 4–7.5 cm, fleshy, succulent.

erect, capsular, dehiscent, oblong-cylindric, occasionally constricted at middle, 5–5.7 × 2–2.5 cm, dehiscence septicidal.

dull black, obovate, 7–11 mm diam., 3 mm thick, rugose.

glossy or dull black, thin, 6–10 mm.