We are talking about Sicilian blood oranges, so called because of the dramatic color of their flesh, which can range from orange veined with ruby to vermilion to vivid crimson to almost black.
Jeruk ini dinamai begitu karena warna daging buahnya yang mencolok, dengan gradasi warna mulai dari oranye berserat merah gelap, merah - oranye, merah terang keungu - unguan, ke merah kehitam - hitaman.