It contains species of Eurasian plum.
[1] Species in this section includes:[2][3] Hybrid species (some of them are hybrids with species of other sections): The taxonomic position of P. brigantina is disputed.
It is grouped with species of Prunus sect.
Prunus according to chloroplast DNA sequences,[2] but more closely related to species of Prunus sect.
Armeniaca according to nuclear DNA sequences.