OENANTHE, in botany, a genus of the pentandria digynia class. The floscules are sessile, dissimilar, and barren in the disk; and the fruit is crowned with a calix. There are five species, three of them natives of Britain, viz. the fistulosa, or water-dropwort; the pimpinelloides, or pimpernel-dropwort; and the crocata, or yellow dropwort.