Mandarin orange tree and Tangerine

Mandarin orange tree noun - Shrub or small tree having flattened globose fruit with very sweet aromatic pulp and thin yellow-orange to flame-orange rind that is loose and easily removed; native to southeastern Asia.

Tangerine and mandarin orange tree are semantically related. In some cases you can replace term "Tangerine" with "Mandarin orange tree", this terms are similar.

Tangerine noun - A variety of mandarin orange.

Mandarin orange tree and tangerine are semantically related. Sometimes you can use "Mandarin orange tree" instead a noun "Tangerine".