Agave mckelveyana, common name McKelvey's century plant, is a species endemic to west-central Arizona, at elevations of . Agave mckelveyana is an acaulescent (trunkless) species, usually producing a single rosette but sometimes growing suckers. Leaves are up to long, with spines along the margins and at the tip. The flowering stalk can be up to tall, with yellowish flowers. References mckelveyana Flora of Arizona