babul

/bəˈbul/

noun

(in South Asia) a tropical acacia introduced from Africa, used as a source of fuel, gum arabic, and (formerly) tannin.

During the Ahmedabad action, Gandhi wrote leaflets to his followers, the mill workers, every day, and every evening he would gather them around him ‘under the famous babul tree on the banks of the Sabarmati outside the Shahpur gate.’