Heliogender
Heliogender is a gender identity in which one's gender feels a strong sensation of warmth and genderlessness, and/or an intense and burning sensation of gender (or lack thereof).
History
Heliogender was coined on July 17, 2014, by now-deactivated Tumblr user n64kin through mogai-archive.[1]
Flag
The heliogender flag was created on July 31st, 2016, by Tumblr user pride-color-schemes.[2]