text: where can i get information about tundra region?? its location,climate,natural vegetation,wild life e.t.c in physical geography, tundra is an area where the tree growth is hindered by low temperatures and short growing seasons. the term "tundra" comes from kildin sami tū̄ndra, the genitive of tundar, "treeless plain", or according to some, comes from the finnish word "tunturia", also meaning "treeless plain".  there are three types of tundra: arctic tundra, antarctic tundra, and alpine tundra. in all of these types, the dominant vegetation is grasses, mosses, and lichens.  trees grow in some of the tundra. the ecotone (or ecological boundary region) between the tundra and the forest is known as the tree-line or timberline.