Adelphogamy is a form ofsexual partnership betweensiblingeukaryotes, especially in some species offungi,flowering plants orants, or inhumans.[1] Inflowering plants, adelphogamy refers to sibling pollination: pollen and stigma belong to two individuals which derives from same mother plant.[2]
Insociology, the termadelphogamy oradelphic polyandry may also refer tofraternal polyandry, or to anincestuous relationship between abrother andsister.[3][4]