grandifloras

Grandifloras is the plural of grandiflora, a botanical term for plants with notably large flowers.

The word appears most often as a classification for roses—grandiflora roses are a hybrid class producing large blooms on tall stems, bred from hybrid teas and floribundas: The grandifloras in the back garden are finally blooming.

The term also applies to varieties of petunias, magnolias, and other flowering plants distinguished by flower size.