Found this huge tree. It is 30 feet tall and 25 feet wide. It has a huge trunk that I see no graft union on. The leaves and fruit are pictured. The pics were taken yesterday. As you can see they are ripe and falling....ground is littered with them. Broke one open and found it with several seeds. Not sweet like a satsuma but not oily with poncidin. No tri leaves. I want to say a very mature Swingle but I could be wrong. Opinions welcome. No tri leaves makes me not think Swingle....Sour orange? Did not taste like it. ?