Abstract: The present invention refers to a stove gas burner provided with a base having a smooth geometry, as well as a removable cap, also with a smooth geometry, which is able to deliver increased efficiency in the food heating process, thus reducing preparation time thereof and facilitating the cleaning of said burner by the user. Thus, a set of base and spreading cap of a stove burner (1) is described, the base (200) being able to support the cap (4) in a fitting cavity (5), the cap (4) being provided with primary gantries (15) and secondary gantries (25) both flame guiders located in the outmost periphery (300) of the cap (4), the primary gantries (15) and secondary gantries (25) being radially projected from the base center (200).