The image is the design with stylized "seven leaves of wood sorrel ". This image is originally from the Japanese family crest (kamon) which Chosokabe clan has been using. The original file is seen here: ja.wikipedia.org/wiki/%E3%82%AB%E3%82%BF%E3%83%90%E3%83%9F#/media/File:Chosokabe_mon.svg The woodsorrel is called "katabami" or "???? in katakana" or "?? in kanji" in Japanese.
Crest-kamon-woodsorrel free icon was designed by yamachem for icons Png and presented to its users.
yamachem
12/2/2017