Flora of North America species comparison

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

to 0.3 m. Leaf blade pale green, linear- or spatulate-lanceolate, concavo-convex, widest near middle, 30–50 × 1.8–4.3 cm, rigid, margins entire, filiferous, white or brown, apex pungent.

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

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.

racemose, rarely paniculate proximally, arising within or just beyond rosettes, 3.5–7 dm;

branches, when present, few, short;

bracts erect, proximal to 20 cm, distal 5–8 cm;

peduncle scapelike, 0.1–0.2 m, less than 2.5 cm diam.

pendent;

perianth broadly campanulate;

tepals distinct, yellow or greenish yellow, usually tinged purple, broadly lanceolate, 4–5(–5.3) × 1.6–3.4 cm;

filaments 1.6–2.8 cm;

pistil pale green, 2.7–3.8 × 0.4–0.8 cm;

style pale to bright green, 9–13 mm;

stigmas lobed.

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

erect, capsular, dehiscent, cylindrical, usually deeply constricted toward center, 3–5(–5.5) × 2–3 cm, dehiscence septicidal.

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

dull black, thin, 5–8 × (3.5–)4–8 mm.