A man believed responsible for a series of armed robberies in Salt Lake County held up a south valley floral shop Friday, Sandy police say.

The man, described as about 6 feet tall and weighing 200 pounds, entered a flower shop at 9350 S. State, and demanded money, according to police detective Mark James.James said a clerk handed over an undisclosed amount of cash when the man brandished a handgun. No one was injured in the 4:45 p.m. robbery.

Detectives say they believe the gunman is the same one who has committed three other afternoon robberies since Wednesday in Sandy and West Jordan. The robberies have all occurred at small businesses.