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Objective  Diterpene alkaloids are secondary plant metabolites and chemotaxonomical markers with a strong biological activity. These compounds are characteristic for the Ranunculaceae family, while their occurrence in other taxa is rare. Several species of the  Spiraea  genus (Rosaceae) are examples of this rarity. Screening  Spiraea  species for alkaloid content is a chemotaxonomical approach to clarify the classification and phylogeny of the genus. Novel pharmacological findings make further investigations of  Spiraea  diterpene alkaloids promising.    Results  Seven  Spiraea  species were screened for diterpene alkaloids. Phytochemical and pharmacological investigations were performed on  Spiraea chamaedryfolia , the species found to contain diterpene alkaloids. Its alkaloid-rich fractions were found to exert a remarkable xanthine-oxidase inhibitory activity and a moderate antibacterial activity. The alkaloid distribution within the root was clarified by microscopic techniques.    Electronic supplementary material  The online version of this article (10.1186/s13104-017-3013-y) contains supplementary material, which is available to authorized users.

Phytochemical and pharmacological investigation of Spiraea chamaedryfolia: a contribution to the chemotaxonomy of Spiraea genus