water dropwort, hemlock water dropwort, Oenanthe crocata(noun)

European poisonous herb having tuberous roots, yellow juice that stains the skin, yellow flowers and foliage resembling celery; all parts extremely poisonous

water dropwort(Noun)

A genus of plants in the family Apiaceae that grows in a moist, damp environment and is extremely poisonous.

Water dropwort(u)

a European poisonous umbelliferous plant (Enanthe fistulosa) with large hollow stems and finely divided leaves