dropwort

noun

1. a European plant, Filipendula vulgaris, of the rose family, bearing small, scentless, white or reddish flowers.

noun

1. a Eurasian rosaceous plant, Filipendula vulgaris, with finely divided leaves and clusters of white or reddish flowersSee also meadowsweet (def. 1)
2. water dropwort any of several umbelliferous marsh plants of the genus Oenanthe, with umbrella-shaped clusters of white flowers