There was an orange tree that developed a deformation in the fruit, so that it would not bear seeds. It was a complete accident, but now the naval orange is very popular. It is only grown from clippings, because the fruit has no seeds.
Not all Oranges are "navel" some are "valencia" and some are "blood' these are just names for different varieties. On the bottom of the navel orange looks like a belly button - navel
i think naval
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Naval Oranges are indeed seedless. The naval end of a naval orange is a "conjoined" twin making the whole orange sterile as soon as the flower starts to fruit. Thus not making any seeds. Also the only way to grow a naval orange tree is by grafting a naval orange branch onto another citrus tree, or from growing a plant from a naval orange root stock.
There are a few key differences between navel and Valencia oranges. Navel oranges are sweeter, and appear to have a navel on the outside. Valencia oranges are more bitter and come specifically from Valencia, Florida.
no no valencia has more
A juicy orange is Valencia oranges as apposed to Naval oranges. Roll the orange on the counter top, pressing it a bit to release the juices inside before you cut the orange.
Jaffa oranges are named after the city of Jaffa in Israel. They are named after this city because they were developed near and first exported from there.
France
nectarine Nectarine, Napa Cabbage, Naval Oranges and New Potatoes (debatable)
Tribon is a naval architecture program originally developed by Kockum Computer Systems (KCS) for designing commercial and naval vessels
William S. Sims
The English occupied a lot of countries where oranges grew, but it was hard to transport these oranges back to England without a lot of spoilage. The oranges that started to rot while underway, where cooked up with sugar and put into jars, which could be kept longer.