the acacia provides shelter and food for ants
acacia_elata is acacia. acacia is tree. acacia_anastema is acacia. acacia is not tree. acacia_pulchella is acacia. acacia_aulacocarpa is not acacia. acacia is legume. acacia_anastema is not acacia. acacia_pulchella is not acacia. acacia_catechu is acacia.