Clark Mountain Agave (Agave utahensis var. nevadensis) is a succulent perennial with short, stout, upright, blue-green leaves that arise from a basal rosette and are well guarded on the edges and tips with spines. In the spring, some plants in a population send up a tall flower stalk that bears many yellow flowers. After a plant blooms, it dies.

Clark Mountain Agave are identified primarily by the medium-length apical spines, the medium-length marginal spines, and the brown to white color of the apical spines. Compare with other varieties of Utah Agave.

Clark Mountain Agave is a locally common species of rocky areas in the Mojave Desert in the Upper Sonoran (Mojave Desert Scrub and Pinyon-Juniper Woodland) life zone. This variety occurs in mountain ranges in California and Nevada; look for it in the Mojave National Preserve, the Spring Mountains, Gold Butte, and the mountain ranges between.

Family: Agave (Agavaceae).

Other Names: century plant.

Plant Form: basal rosette with tall flowering stalk.

Height: Basal leaves to about knee-high, but flowering stalk 6-12 feet.

Trunk: none.

Leaves: Long daggers with spines along the edges and a sharp tip.

Flowers: Blooms in the spring or early summer. Inflorescence a spike. Flowers large, yellowish, and waxy.

Seeds:

Elevation: About 3,000 to 6,000 ft.

Distribution: Southern California and Nevada.

Comments: Judging from the number of agave roasting pits around the desert, these must have been more common at one time.