1) Dietary staples for impalas 2) Flowering shrubs 3) Gum arabic sources 4) Gum arabic trees 5) Knobthorns and wattle trees 6) Locust trees 7) Locusts 8) Mimosa family members 9) Mimosa-family trees 10) Ornamental shrubs 11) Savanna shrubs 12) Savanna trees 13) Small shrubs 14) Small trees 15) Some mimosas Found on https://www.crosswordclues.com/clue/acacias