spotted cowbane
noun
spotted cow·bane
| \ -ˈkau̇-ˌbān
\
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Medical Definition of spotted cowbane
: a tall biennial North American herb of the genus Cicuta (C. maculata) chiefly of wetlands of northeastern North America with clusters of tuberous roots that resemble small sweet potatoes and are extremely poisonous
— called also spotted hemlock
— compare water hemlock