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Ageratina altissima, also known as white snakeroot, [3] richweed, [3] or white sanicle, [4] is a poisonous perennial herb in the family Asteraceae, native to eastern and central North America. An older binomial name for this species is Eupatorium rugosum , but the genus Eupatorium has undergone taxonomic revision by botanists , and some species ...
Ageratina aromatica, also known as lesser snakeroot and small-leaved white snakeroot, is a North American species of plants in the family Asteraceae. It is widespread and common across much of the eastern and southern United States from Louisiana to Massachusetts , as far inland as Kentucky and Ohio .
White snakeroot is a common name for several flowering plants in the aster family, Asteraceae, and may refer to: Ageratina altissima , native to eastern North America (older name: Eupatorium rugosum )
Ageratina, commonly known as snakeroot, is a genus of over 300 species [1] [2] [3] [4] of perennials and rounded shrubs in the family Asteraceae.. These plants grow ...
Ageratina luciae-brauniae is a species of flowering plant in the family Asteraceae known by the common names Lucy Braun's snakeroot and rockhouse white snakeroot. It is native to the eastern United States, where it is limited to the Cumberland Plateau of Kentucky and Tennessee. [1] [4] It may also occur in South Carolina but these reports are ...
Ageratina havanensis, the Havana snakeroot [3] or white mistflower, [4] is a species of flowering shrub in the family Asteraceae, native to the south-western United States (), Cuba, and north-eastern and east-central Mexico (Veracruz, Tamaulipas, Coahuila, Nuevo León, Hidalgo, San Luis Potosí, Puebla, Guanajuato, Querétaro). [5]
Tremetol, an oil with a straw-colored tinge, was first isolated from white snakeroot by J.F. Couch in 1929. Column chromatography of tremetol yielded a hydrocarbon, two steroids, and three ketones. Further isolation experiments revealed that tremetone is the major ketone constituent of the compound tremetol.
American medical science did not officially identify the cause of milk sickness as the white snakeroot plant until 1928, when advances in biochemistry enabled the analysis of the plant's toxin. [7] Dr. Anna Pierce Hobbs is credited in the 21st century as the first person to learn the specific cause of the illness back in the 1830s. Hobbs had ...