Riverside, CA...was known at one time..as the capital of Oranges. In the early 1900's oranges were the color of money there. Somewhere along there...someone discovered the Blood orange. A wonderful tasting orange...but it didn't sell...because it looked odd..and the "meat" wasn't orange color. They took down those groves..and planted regular oranges.
I actually had a Blood Orange tree...when I lived there. Had...27 fruit tree's in my backyard..
You get a chance find a fresh Blood Orange..and taste it. They look funny...but they taste GREAT!!
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I will when I see it. I'll ask one of our local markets to buy it.
Riverside? Sigh. I love southern California.
I don't live there but had several relatives, aunts, uncles and cousins, who lived there and we visited them every OTHER year.