Many flowers appear to be homogamous but some of these may not be strictly functionally homogamous, because for various reasons male and
Kaynak: Homogamy (biology)

Lower pairs are equal in size (homogamous units), and upper pairs include one awned bisexual spikelet and one awnless sterile spikelet
Kaynak: Heteropogon

pistillate or functionally staminate, or made up of all bisexual florets, are called homogamous and can include discoid and liguliflorous type heads.
Kaynak: Plant reproduction

With this in mind, marriages that tend not to be as homogamous at first may find themselves transforming into them over time.
Kaynak: Homogamy (sociology)

Same-sex marriage also can be described with the term homogamous marriage in the scientific tradition of Greek and Latin terms for family
Kaynak: Same-sex marriage