Linnaeus, Sp. Pl. 1: 319. 1753.
Adam's needle, beargrass, needle palm, silkgrass
Plants acaulescent or rarely caulescent, indistinctly arborescent, 1—4.6 m; rosettes usually small. Stems simple, 0—0.5 m. Leaf blade occasionally erect, proximal leaves often becoming reflexed near middle, lanceolate, flattened, abruptly narrowed and furrowed to apex, thin, widest near middle, 50—75 × 2—4 cm, usually soft and limp, scabrous, margins entire, long and curling, filiferous. Inflorescences paniculate, arising beyond rosettes, ovoid, 7.5—15 dm, glabrous; bracts erect; peduncle scapelike, 1—3 m, less than 2.5 cm diam. Flowers pendent; perianth globose; tepals distinct, nearly white, ovate, 5—7 × 2—3 cm, glabrous, apex short-acuminate; filaments shorter than pistil; pistil 1.5—3.8 cm; stigmas lobed. Fruits erect, capsular, dehiscent, oblong, 3.8—5 × 2 cm, dehiscence septicidal. Seeds dull black, thin, 6 mm diam.