Rubus spectabilis and Raspberry bush

Rubus spectabilis noun - Large erect red-flowered raspberry of western North America having large pinkish-orange berries.

Raspberry bush and Rubus spectabilis are semantically related. In some cases you can use "Raspberry bush" instead a noun phrase "Rubus spectabilis".

Raspberry bush noun - Woody brambles bearing usually red but sometimes black or yellow fruits that separate from the receptacle when ripe and are rounder and smaller than blackberries.

Rubus spectabilis and raspberry bush are semantically related. Sometimes you can replace phrase "Rubus spectabilis" with "Raspberry bush", this phrases are similar.