oenanthe crocata

from WordNet (r) 3.0 (2006)

Oenanthe crocata
    n 1: European poisonous herb having tuberous roots, yellow juice
         that stains the skin, yellow flowers and foliage resembling
         celery; all parts extremely poisonous [syn: {water
         dropwort}, {hemlock water dropwort}, {Oenanthe crocata}]

from The Collaborative International Dictionary of English v.0.48

Water hemlock \Wa"ter hem"lock\ (Bot)
   (a) A poisonous umbelliferous plant ({Cicuta virosa}) of
       Europe; also, any one of several plants of that genus.
   (b) A poisonous plant ({[OE]nanthe crocata}) resembling the
       above.
       [1913 Webster]

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