Agave dasylirioides

Agave dasylirioides (Dasylirion-like) is a species of Agave.

Background
Flower yellow, about 1 1/2in. long;  spike as long as the scape, often decurved; lower bracts much longer than the flowers; pedicels obsolete; scape 6ft. long,  densely clothed with spreading subulate bract leaves, the lower ones 1ft. long. leaves eighty to a hundred in a dense rosette, linear-ensiform, 1 1/2ft. to 3ft. long, about 1in. broad, narrowing gradually  from the middle to a short brown pungent point, pale glaucous green, rigidly leathery; edge minutely denticulate. Mexico, 1846.

Varieties/Subspecies
A. d. dealbata (whitened). A variety of preceding, but with more glaucous foliage.