Gynesexual, or gynosexual, previously known as femsexual, is a sexual orientation with several possible definitions.
Gynesexual may be synonymous with womasexual. This definition describes exclusive attraction to women. This label does not specify the gynesexual individual's own gender identity, which means that heterosexual men, gay women, and non-binary individuals attracted to women may be considered gynesexual.
Gynesexual may describe attraction "female anatomy" regardless of the target individual's gender. This definition is often considered transphobic/genitalistic as it reduces individuals to their genitals. Attraction that is influenced by anatomy is generally considered a sexual preference rather than a sexual orientation, and individuals who identify with this definition may find the label imprisexual to be a less transphobic alternative. This definition is sometimes referred to as "gynephilia" or "gynophilia", however this term is outdated.
The term was possibly made with non-binary or genderqueer individuals in mind. However, many non-binary individuals prefer terms like finsexual, venusic, trixic, feminamoric, or womasexual to describe this attraction, because gynesexual has no agreed upon definition, which can make it's usage confusing, and it can have unfavorable connotations. The term gynesexual is commonly used by transphobes as a reason to exclude trans women because they are only attracted to "female anatomy" or "real women". Under this definition, it reduces individuals to their genitalia, putting cis women and pre-surgery trans men in the same group because they have "female anatomy". The prefix gyne- means "woman" or "female," which may imply that one sees "female anatomy" and being a woman as interchangeable.
The pink was taken from the trans flag to symbolize attraction to women. It is also presumably to show that trans women are real women. The brown represents stability and support. The green was taken from the genderqueer flag, it symbolizes attraction to femininity and also implies that this term was made for genderqueer/nonbinary individuals. It is uncertain the origin of this flag.
An alternate gynesexual flag by Clear.Skyes.
An alternate gynesexual flag by ThatOneKnows.
An alternate gynesexual flag by QueerVexillology on reddit.
An alternate gynesexual flag by ThunderBrine.