Flora of North America species comparison

1, simple or with 2–4 branches, to 5.1 m, average diam. 32 cm.

blade erect, yellowish green, 43–115 × 3.1–8.4 cm, rigid, smooth, glabrous, margins conspicuous, curling, filiferous, brown.

blade lanceolate, twisted, strongly concave, widest at middle, distinctly narrowing toward base, broadened at stem attachments, 35–60 × 1.7–4 cm, somewhat fleshy, flexible, margins denticulate or wavy, dark orange or reddish brown, apex pointed.

erect, paniculate, often with proximal branches arising beyond rosettes, broadly ovoid, 5.5–25.5 dm, glabrous;

peduncle 0.3–0.6 m. Flowers pendent, 4.4–12.4 cm;

perianth campanulate;

tepals connate basally into floral cup 1–32 mm, white to greenish white, ovate, 3.9–10.8 cm;

filaments averaging 2.2 cm from base of tepals, glabrous;

anthers 1–6 mm;

pistil 2.8–8 × 0.7 cm;

ovary ca. 4.5–5 times longer than wide;

style 4.5 mm;

stigmas distinct.

paniculate, arising beyond rosettes, narrowly ovoid, 2.5–10 dm;

branches 0.7–2 dm;

bracts erect;

peduncle scapelike, 0.3–1.5 m, 1.5–2 cm diam.

pendent;

perianth campanulate;

tepals distinct, white or greenish white, ovate, 4–7 × 1.5–3 cm, apex sharply acuminate;

filaments 1.8–3.2 cm;

pistil 2.5–4.5 cm;

style white or greenish, 12–20 mm;

stigmas lobed.

pendent, baccate, indehiscent, elongate, 3.6–13.6 × 1.8–3.6 cm, fleshy, succulent.

erect, capsular, dehiscent, ellipsoid to cylindric, 4–5.5 × 2–3 cm, dehiscence septicidal.

black, 7.7 mm diam., 2.9 mm thick, smooth.

dull black, thin, 6–8 mm diam.