Original: Liriodendron tulipifera , commonly known as the tulip tree , American tulip tree , tuliptree , tulip poplar or yellow poplar , is the Western Hemisphere representative of the two-species Liriodendron genus and the tallest eastern hardwood .
Simplified: American tulip tree ( Liriodendron tulipifera ) , also called tulip poplar or yellow poplar is a type of tree .