Raspberry Tangor

Panzarella Citrus describes Raspberry Tangor fruit as red inside with a slight raspberry-like flavor, shaped like Umatilla, ripening in February or March, and bearing monoembryonic seeds.^⁠[1] The page reports about 11.6% sugar and 2.2% citric acid (ratio about 5.2), attributing those measurements to Chris Kneupper and JoAnn Trial; it gives no sample count, date, or method.^⁠[1]