Bitter Orange

• Bitter oranges (Citrus aurantium) are too tart to eat fresh. They are the primary orange used to make marmalade.
  
  

Blood Orange

• Blood oranges (Citrus sinensis) have a distinctive red pulp and strong orange flavor.
  
  

Mandarin Orange

• Mandarin oranges (Citrus reticulata) are smaller and sweeter than the common orange (Citrus sinensis).
  
  

Navel Orange

• Navel oranges (Citrus sinensis) are seedless and are excellent for eating fresh. The Cara Cara orange is a type of navel orange with pink pulp.
  
  

Tangerine

• While you may think of a tangerine as a separate kind of citrus fruit, it is actually a subtype of mandarin orange (Citrus reticulata) that has a darker skin.
  
  

Valencia Orange

• Valencia oranges (Citrus sinensis "Valencia") are available throughout most of the year. They are a good choice for making fresh juice.