endemic

a disease that is constantly present to a greater or lesser degree in people of a certain class or in people living in a particular location

a plant that is native to a certain limited area; "it is an endemic found only this island"

of or relating to a disease (or anything resembling a disease) constantly present to greater or lesser extent in a particular locality; "diseases endemic to the tropics"; "endemic malaria"; "food shortages and starvation are endemic in certain parts of the world"

native to or confined to a certain region; "the islands have a number of interesting endemic species"

originating where it is found; "the autochthonal fauna of Australia includes the kangaroo"; "autochthonous rocks and people and folktales"; "endemic folkways"; "the Ainu are indigenous to the northernmost islands of Japan"