carboxylic acid

Thalictrum ( ) is a genus of 120-200 species of herbaceous perennial flowering plants in the buttercup family, Ranunculaceae, native mostly to temperate regions. Meadow-rue is a common name for plants in this genus.Thalictrum is a taxonomically difficult genus with poorly understood species boundaries; it is in need of further taxonomic and field research for clarification.

Despite their common name of 'meadow-rue', Thalictrum species are not closely related to the true rue (family Rutaceae), but ...