SUNFLOWER FAMILY 437 
11. Senecio integérrimus var. exaltatus a7 ) Cronquist. Single-stemmed 
Butte Se 5752 
enecio exaltatus Nutt. Trans. Amer. Phil. Soc, II. 7: 41. 
Senecio ingens var. sealant D, C. Eaton Ba King Mer tng 1871. 
Greene, Pittonia 3: 17 a 
— densatus Greene, ie cit. 298, 18 
S io atriapiculatus Rydb. M ee Ei SO 442. 1900. 
ra ne oidcous 
Senec yd 
Senecio integerrimus var. Croke Crotraile: Leafiets West. Bot. 6: 48. 1950. 
Stout, fibrous- po perennial from short, erect crown; stems solitary, 2-7 dm. tall; 
ace. j Sanh to arachnoid-villous with ae tose rie when young, generally mor or le 
labrate in age. Leaves uke to pnariarks dentate, the ba nes petiolate, the blade and petiole 
commonly cm. long a - wide; cauline leaves progressively red up : 
ing sessile; heads several or rather numerous in an sted inflorescence, the peduncle 
of the terminal head thickened and much shorter than the Peper involucre abou mm. high, 
he principal bracts commonly about 21, sometimes only 1 ortly but evidently “black: -tipped ; 
t 
bracteoles few, ee ly narrow and rather elongate; rays 6- iG mm. long, yellow; achenes gla- 
brous or es 
Moderately dry to vadier moist open places and open woods, from the valleys to near timberline, ordinarily 
in well- Samed — Arid pcan a Canadian Zones; seathirar Alberts and eon Serta ra to Colorado, 
Nevada, oe California; in nge found chiefly east of the Cascade — Sierra Nevada s but occasional 
nth mette Valles and re the ian ath region of southwestern Oregon and nort fo rac “Ca aliforai a; on pated 
ned arly or ce to the coast. Type locate: “plains of Oregon, near cee outlet of the Wahlamet.” May~Ju 
Typical S. integerrimus is a plant of the Great Plains. In our range, several additional varieties are 2 
as Yolre: 
5749. Senecio triangularis 
eg om mecio serra 
} 
oe Senecio integerrimus 
