big sagebrush Asteraceae Artemisia
Leaf: Simple, alternate (but typically clustered at each node), persistent (but some leaves are drought deciduous). Small (1/2 to 2 inches long) and narrowly wedge-shaped with a 3-lobed apex; silvery-green and pubescent on both surfaces; strong scented; sessile.
Flower: Species is monoecious; flowers very small, yellowish, and tubular; borne in small heads on long, upright spikes; some flowers perfect and some imperfect.
Fruit: Very small achenes; 4 or 5-sided or ribbed
Twig: Young twigs are slender, silvery-gray, and pubescent, becoming grayish brown as they age.
Bark: Grayish brown, shreddy, and splitting lengthwise.
Form: An upright, evergreen shrub commonly growing from several to 15 feet tall.
Looks like: sand sagebrush - bitterbrush - Stansbury cliffrose - Apache plume