BIG SAGEBRUSH 



Artemi'sia tridenta'ta 



B24 

 (2 leaves) 



Flower heads small (about % in. wide 

 and % in. long), numerous, stalkless, 

 erect, borne in loose, open, leafy- 

 bracted, end clusters (panicles) 



Bracts 8 to 18, in a series (involucre) 

 around flower head ; outer bracts short, 

 rounded, occasionally narrowed .at tip, 

 densely white-hairy; inner sopiewhat 

 spatula-shaped, white-hairy at least 

 along the middle, with brown, thin- 

 papery margins 



Flowers all alike, 5 to 8 in each head, 

 small, tubular, yellowish or brownish, 

 perfect, seed-producing 



,w~~~ (achenes) small, cylindric- 

 top-shaped, 4- or 5-angled or ribbed, 

 hairless ' 



Leaves alternate, solitary or in groups, 

 K to 1% in. long, tapered at base, 3- 

 (rarely 4- to 7-) toothed at tip, silvery- 

 hairy on both sides; upper leaves (es- 

 pecially those of the flower cluster) 

 entire, linear 



Stems woody, 1 to about 16 ft. high, 

 round, much-branched, silvery-white- 

 hairy when young, with gray shreddy 

 bark in age 



