Arkansas's plant life varies with its climate and elevation.

The pine belt stretching from the Arkansas delta to Texas consists of dense oak-hickory-pine growth.

The Mississippi River forms most of Arkansas's eastern border, except in Clay and Greene, counties where the St.

Francis River forms the western boundary of the Missouri Bootheel, and in many places where the channel of the Mississippi has meandered (or been straightened by man) from its original 1836 course.

In 1881, the pronunciation of Arkansas with the final "s" being silent was made official by an act of the state legislature after a dispute arose between Arkansas's two U. senators as one favored the pronunciation as Arkansas borders Louisiana to the south, Texas to the southwest, Oklahoma to the west, Missouri to the north, as well as Tennessee and Mississippi on the east.

The United States Census Bureau classifies Arkansas as a southern state, sub-categorized among the West South Central States.

Arkansas began to diversify its economy following World War II and relies on its service industry, aircraft, poultry, steel, tourism, cotton, and rice.

The culture of Arkansas is observable in museums, theaters, novels, television shows, restaurants, and athletic venues across the state.The largest city in the state's eastern part is Jonesboro.The largest city in the state's southeastern part is Pine Bluff.The southeastern part of Arkansas along the Mississippi Alluvial Plain is sometimes called the Arkansas Delta.This region is a flat landscape of rich alluvial soils formed by repeated flooding of the adjacent Mississippi.Arkansas's enduring image has earned the state "a special place in the American consciousness".