Short answers, pulled from the story.
The scientific name of the wild mandarin orange is Citrus reticulata. This name comes from Latin where reticulata means netted, referring to the fine network of veins visible on the fruit's surface.
Mandarin oranges were domesticated at least twice in separate regions within the Nanling Mountains. The northern domestication event produced larger redder fruit such as the Satsuma and Nanfengmiju, while the southern cluster yielded smaller yellower varieties like the Dancy and Sunki.
Hostilities with Japan during World War II suspended U.S. imports of Japanese oranges, leading to a rebranding effort after the war ended. Residual hostility prompted the industry to rename these fruits Mandarin oranges instead of Japanese oranges, effectively erasing their cultural origins from the public consciousness.
In 2022, world production of mandarin oranges combined with tangerines, clementines, and satsumas reached 44.2 million tonnes. China led global output at 61% of the total, while Spain produced 1.8 million tonnes and Turkey, Egypt, and Morocco emerged as other significant producers.
Acidic varieties like the Sunki and Cleopatra mandarins are primarily used as rootstock for grafting other citrus trees because they are too sour to eat. These varieties provide the hardy foundation for commercial citrus production and ensure the industry can adapt to changing environmental conditions.