A matriarch held the leadership position in cultures governed specifically by females. A notable instance of this occurred on Dathomir, where Zalem served as matriarch for a period.
During Han Solo's visit to Saheelindeel in 1 BBY, a matriarch was in charge. Each clan of the Noghri on Honoghr, their planet, had a matriarch known as Maitrakh. This individual fulfilled the roles of storyteller, leader, and preserver of clan lore. Banthas, mammals native to Tatooine, were highly intelligent and social creatures that organized themselves into matriarchal herds.
The governing body of Devaron was structured as a matriarchy.