bitter orange (Citrus aurantium); sour orange; Seville orange; orange (color, colour)
bitter orange juice (used as a food acid)
orange-red; reddish orange; fire red
kabosu (type of citrus fruit) (Citrus sphaerocarpa)
pomelo (Citrus maxima); shaddock
neroli oil (essential oil made from bitter orange flowers)
amanatsu (Citrus natsudaidai); sweet form of Chinese citron