Аннотация:Ecology of flowering in microspecies of the group Alchemilla vulgaris L. sensu lato (Rosaceae) was studied in a flood plain of the ZBS MSU; distinctive morphological and anatomical features of the flower are recognized, dynamics of flowering and nectar production is studied, and pollinating insects are established. Structural and functional universality of flowers, wich provides seed production by either apomixes or amphimixis, is shown.