W25 



BROADLEAF ARNICA 



Ar'nica latifo'lia, syn. A. vento'rum 



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Flower heads sunflowerlike, pale yellow, usu- 

 ally several (cymose), on slender stalks from 

 axils of upper leaves 



Bracts in a series (involucre) around base of 

 flower head, equal, usually in 1 row, green, 

 rather densely glandular but with very few long 

 hairs 



Stem rather slender, erect, smooth or slightly 

 hairy 



Stem leaves 2 or 3 pairs, short-stalked or 

 stalkless, 'thin, egg-shaped, rounded or ovaJ, 

 usually sharply toothed on margins, up to 5 in. 

 long and 3 in. wide 



Center (disk) flowers of head small, numerous, 

 yellow, tubular, perfect, seed-bearing 



"Seed" (achene) smooth, encircled at tip by 

 ring of fine, usually smooth, white hairs (pappus) 



Basal leaves opposite, stalked, ovate, rounded, 

 or sometimes somewhat heart-shaped 



Rootstock underground, slender, long-creep- 

 ing, with paired buds 



Outside (ray) flowers of head petal-like, yellow, 

 strap-shaped, usually 7-veined, 3-tootned at 

 tip, seed-bearing 



