Washington orange tree

The very first Navel, discovered in Bahia, Brazil, around 1800. All current Navel varieties derive from the Washington.
The Navel Washington is grown today by the millions, in citrus-growing areas all over the world.

The fruit is large, juicy and flavorful. The Navel orange par excellence, with the typical umbelic.
Ripens in January and February.

The tree is very productive and vigorous, with a few thorns.

References:
https://idtools.org/tools/1076/index.cfm?packageID=1179&entityID=8903
https://citrusvariety.ucr.edu/crc1241A
https://ivia.gva.es/documents/161862582/161863578/WASHINGTON.pdf/9e4e3581-5bb7-4e67-9462-4ef5ac43c540?t=1453985238603