Agave yuccæfolla

Agave yuccæfolla (Yucca-leaved) is a species of Agave.

Background
Flower greenish yellow, 1 1/4in. to 1 1/2in. long, in a dense spike 6in. to 15in. long, about 14in. in diameter sessile, solitary, or in pairs; scape 12ft. to 20ft. high. leaves twenty to forty in a dense, shortly-stemmed rosette, linear, much recurved, 1 1/2ft. to 2 1/2ft. long, 3/4in. to 1in. broad at the middle; face deeply channelled, dull, rather glaucous green, with a pale band  down the centre, the tip not at all pungent, the back broadly rounded, edge entire, or obscurely serrulate. Mexico, 1816. A most distinct species.