Agave mckelveyana
 Agave mckelveyana common name McKelvey's Century Plant is a species endemic to west-central Arizona at elevations of 800-2200 m (2700-7300 feet). Agave mckelveyana is an acaulescent (trunkless) species usually producing a single rosette but sometimes growing suckers. Leaves are up to 40 cm (16 inches) long with spines along the margins and at the tip. The flowering stalk can be up to 5 m (17 feet) tall with yellowish flowers.