Sage·brush n. A low irregular shrub (Artemisia tridentata), of the order Compositae, covering vast tracts of the dry alkaline regions of the American plains; -- called also sagebush, and wild sage.
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Ar·te·mi·si·a n. Bot. A genus of plants including the plants called mugwort, southernwood, and wormwood. Of these Artemisia absinthium, or common wormwood, is well known, and Artemisia tridentata is the sage brush of the Rocky Mountain region.
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Artemisia tridentata
n : aromatic shrub of arid regions of western North America
having hoary leaves [syn: big sagebrush, blue sage, Seriphidium
tridentatum]