Agave utahensis

Agave utahensis (Utahan) is a species of Agave.

Background
Flower yellowish, about 1in. long; peduncles ultimately 1/4in. long; scapes, 5ft. to 7ft. high, including the 1ft. to 2ft. spike. leaves stemless, ensiform, 6in. to 12in. long, 1in. to nearly 2in. broad, thick, glaucous; terminal spine channelled, pungent, about 1in. long; marginal prickles, 1/8in. to 1/5in. long, white, with a darker base. Southern Utah, 1881. This is a true alpine species, perfectly hardy, and of very easy culture.

Varieties/Subspecies
A. u. eborispina (Ivory-spined Agave). rosettes up to 3in. long, this subspecies is considered a dwarf form, growing 8 to 12 inches tall, of the larger utahensis, with the exception of elongated spines. leaves margin variegated.

A. u. kaibabensis (Grand Canyon Century Plant). the giant form of A. utahensis. small rosette to 14 inches wide and pups freely.

A. u. nevadensis (Nevada Agave). native of dry, stony calcareous outcrops to the east of the Mojave Desert with desert scrub; leaves pale blue-green, linear-laceolate, straight or falcate, spiked, convex below, stiff. flower light yellow, bulbous clusters.