CURLYCUP GUMWEED 



Grinde'lia squarro'sa 



W86 

 (2 leaves) 



Flower heads numerous, half globe- 

 shaped (hemispherical), .up to iy t in. 

 across, in rather flat-topped end 

 clusters 



Leaves alternate, stalkless, more or 

 less clasping at the base, rather thick, 

 mostly 2 to 4 times longer than broad, 

 oblong to spatula-shaped, with toothed 

 edges, conspicuously gland-dotted, 

 gummy, hairless 



Stem erect, 8 to about 40 in. high, 

 branched above the middle, hairless, 



Outside (ray) flowers of heads 24 to 

 36, yellow, petal-like, seed-producing 



Inner (disk) flowers of heads num- 

 erous, small', yellow, tubular, perfect, 

 seed-producing 



Bracts in a 5- to 6-rowed series (in- 

 volucre) around base of flower head, 

 very gummy, narrow, with very wide- 

 spreading (squarrose), back-curved 



"Seeds" (achenes) with tips squared 

 as if cut off crosswise, crowned by 2 to 

 6 bristlelike scales, or awns (pappus) 

 which soon fall off 



Taproot-^thickeiied, woody, biennial 

 or perennial 



