Keywords: Poncirus trifoliata - Isola Madre (Stresa) - DSC03273.JPG Poncirus trifoliata Botanical specimen on Isola Madre Stresa Lake Maggiore Italy I took this photograph 2011-04-18 05 10 47 Daderot Public domain Specimens on Isola Madre Stresa Close-ups of Citrus trifoliata flowers Rutaceae in April Rutaceae in Veneto Sapindales in Veneto in April |