Prenanthes aspera Michx.
Family: Asteraceae
rough rattlesnake-root,  more...
[Nabalus asperus (Michx.) Torr. & A.Gray]
Prenanthes aspera image
Aaron Carlson  
Etymology: Prenanthes: from prenes for "drooping" and anthe for "blossom"
Plants: erect, perennial, 2'- 5 1/2' tall forb with milky juice; stems usually with rough hairs
Leaves: alternate, rough especially below, lower leaves tapering to the stalk and falling off early, upper mostly stalkless to clasping
Flowers: head 1/2" wide, with cream ray flowers, bracts (phyllaries) densely hairy; inflorescence with mostly erect heads in dense, long, narrow clusters; blooms Aug.-Sept.
Fruits: dry seed with yellowish, fluffy pappus
Habitat: dry; prairies
Conservation Status: Endangered
Prenanthes aspera
Prenanthes aspera image
Kenneth J. Sytsma  
Prenanthes aspera image
Kenneth J. Sytsma  
Prenanthes aspera image
Aaron Carlson  
Prenanthes aspera image
Kitty Kohout  
   View Genus       View Specimen Records