A PUNTA GORDA MAN WAS ARRESTED AFTER HE ALLEGEDLY ROBBED A WOMAN AT GUNPOINT.  DEPUTIES SAY THE PORT CHARLOTTE WOMAN CALLED THEM AROUND 7:30 FRIDAY NIGHT AND SAID SHE WAS STOPPED IN HER VEHICLE NEAR THE INTERSECTION OF CONWAY AND MIDWAY BOULEVARDS BY A MAN AND A WOMAN.  THE MAN, LATER IDENTIFIED AS 27 YEAR OLD RYAN MARTINS, HELD HER UP AT GUNPOINT, TAKING HER CASH.  THE INVESTIGATION QUICKLY POINTED TO MARTINS, AND A SEARCH WARRANT WAS ISSUED FOR HIS HOME ON AYSEN DRIVE.  WHEN DEPUTIES ENTERED THE HOME THEY FOUND A MINI GROW HOUSE OPERATION WITH ALL THE USUAL LIGHTING AND TIMERS ALONG WITH 57 GRAMS OF POT.  MARTINS WAS TAKEN INTO CUSTODY INITIALLY AND CHARGED WITH ARMED ROBBERY.  HE BONDED OUT AND HEADED HOME, BUT NARCOTICS DETECTIVES TOOK HIM BACK INTO CUSTODY THERE AND ADDED CHARGES OF CULTIVATION AND POSSESSION OF MORE THAN 20 GRAMS OF MARIJUANA AND POSSESSION OF DRUG PARAPHERNALIA.  HE MADE BOND AGAIN AND WAS RELEASED.