What is the correct name for the golf club called the Texas Wedge?

The real name of a golf club called a Texas Wedge is a putter. A putter is a golf club that is used for short distances, usually on the green, with the aim of hitting the ball as accurately and controlled as possible. The name Texas Wedge comes from the fact that in Texas, USA, the putter is also often used in short grassy areas, such as bunkers and off the green.

Source: Golf.com