Bear's ear and Primula

Bear's ear noun - Yellow-flowered primrose native to Alps; commonly cultivated.

Primula and bear's ear are semantically related. In some cases you can use "Primula" instead a noun phrase "Bear's ear".

Primula noun - Any of numerous short-stemmed plants of the genus Primula having tufted basal leaves and showy flowers clustered in umbels or heads.

Bear's ear and primula are semantically related. Sometimes you can replace phrase "Bear's ear" with "Primula", this terms are similar.