JIMMYWEED 



B13 

 (2 leaves) 



Aplopap'pus heterophyl'lus, syns. Linosy'ris heterophijl' la, Bigelo'via wrigh'tii, 



Isoco'ma wrigh'tii 



Flower heads small (mostly about \( 

 in. high), numerous, stalked, in branched 

 end clusters (corymbiform cymes) 



Center (disk) flowers of heads small, 

 yellow, tubular, abruptly flaring toward 

 tips, perfect, seed-producing; outer 

 (ray) flowers lacking 



"Seed" (achene) short, slightly 

 broadened upward, silky-whitish-hairy, 

 tipped by numerous, somewhat unequal, 

 dirty white or brownish, minutely bar- 

 bed bristles (pappus) 



Bracts in a several-rowed series (in- 

 volucre) around flower head, erect, 

 stiff, thin-leathery, oblong or broadly 

 lance-shaped, blunt and obscurely green- 

 ish at tips, somewhat sticky-glandular 



Leaves alternate, often with clusters 

 of smaller leaves in their axils, dull 

 green, usually hairless, rather thick, 

 1-ribbed, narrowly reverse-lance-shaped 

 to narrowly linear, sharp-pointed at 

 tips, entire or lower leaves more or less 

 toothed around edges 



Stems woody and tufted at base, 

 usually about 1 to 2 ft. high, erect, 

 simple below but often branched near 

 flower heads, leafy throughout 



Taproot perennial and woody, often 

 with a somewhat branched root crown 



