Prunus cerasus austera and Sour cherry

Prunus cerasus austera noun - Any of several cultivated sour cherry trees bearing fruit with dark skin and juice.

Sour cherry and Prunus cerasus austera are semantically related. In some cases you can use "Sour cherry" instead a noun phrase "Prunus cerasus austera".

Sour cherry noun - Rather small Eurasian tree producing red to black acid edible fruit.

Prunus cerasus austera and sour cherry are semantically related. Sometimes you can replace phrase "Prunus cerasus austera" with "Sour cherry", this phrases are similar.