water hemlock

English Thesaurus

1. tall erect highly poisonous Eurasiatic perennial herb locally abundant in marshy areas (noun.plant)

hypernym	:	poisonous plant,
definition	:	a plant that when touched or ingested in sufficient quantity can be harmful or fatal to an organism (noun.plant)

member meronym	:	cicuta, genus cicuta,
definition	:	small genus of perennial herbs having deadly poisonous tuberous roots: water hemlock (noun.plant)