Flindersia collina is an Australian rainforest tree in the citrus family. It is known as the Leopard Wood, Broad-leaved Leopard Tree or Leopard Ash. It occurs in dry rainforest, often on hillsides. The species name collina means hill dweller. Seen from the upper Richmond River, New South Wales to Cape Melville in tropical Queensland. An attractive tree with pleasantly marked bark, and shapely notched leaflets.