big sagebrush Asteraceae Artemisia tridentata
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.