Almost all citrus are descended from a few ancestral species, the most well-known of which are the Mandarin, Citron, Pomelo, and the Australian and Papuan Wild Limes. Cross-breeding, time, and geographic spread have contributed to the staggering diversity of citrus we see today. Citrus fruits are known to be rich in flavonoids and Vitamin C.They are also popular year-round with both Winter and Summer varieties.
Japan’s geography has a wide range of climates, from snowy Hokkaido to Tropical Okinawa, and certain regions have been particularly fruitful for citrus growth (pun, absolutely intended). The region known as Setonaikai in Japanese has the perfect climate for citrus. Setonaikai is the Seto Inland Sea, and the land surrounding it on the edges of Honshu, Kyushu, and Shikoku make up its coast. Now, on to the fruits!