Prospect of introduction of plants from corn chandler genus (Filipendula Mill.), as sources of crude drug

The author estimates the introduction of the Filipendula ulmaria (L.) Maxim., F. vulgaris Moench, F. stepposa Juz., F. palmata (Pall.) Maxim., F. camtschatica (Pall.) Maxim. species as deserving plants for crude drug. The author determined the content of flavonoids in inflorescence, made the phonological and biometrical observations. The F. ulmaria and F. vulgaris are the most prospective species.