Tall Rattlesnakeroot Nabalus altissimus (formerly Prenanthes altissima)

Other common names: Tall White Lettuce, Tall White Rattlesnakeroot Other scientific names: Prenanthes altissima French names: Prenanthe élevée Family: Composite Family (Asteraceae) Group: Lettuces, Prenanthes/Nabalus Similar species:   •   White Lettuce (Nabalus albus)   •   Three-leaved Rattlesnakeroot (Nabalus trifoliolatus)   •   Glaucous Rattlesnakeroot (Nabalus racemosus) Flowers: Summer;  White, Green/Brown;  5 parts (petals) Leaves: Alternate, Simple, Toothed Habitat: Forests Grows in Sun/Shade: Shade Books: Newcomb's Wildflower Guide: 212    Native/Non-native: Native Origin and Meaning of Names:  Scientific Name: altissima: tall For more information visit: Ontario Wildflowers Photographs: 119 photographs available, of which 10 are featured on this page. SCROLL DOWN FOR PHOTOGRAPHS. Range Map is at the bottom of the page

Plants ● Lettuces ● Prenanthes/Nabalus