noun. any rosaceous plant of the genus Spiraea; has sprays of small white or pink flowers.
- genus Spiraea
- Spiraea prunifolia
- bridal wreath
- Saint Peter's wreath
noun. a dicotyledonous genus of the family Rosaceae.
- family Rosaceae
- rose family
- rosid dicot genus
noun. a Japanese shrub that resembles members of the genus Spiraea; widely cultivated in many varieties for its dense panicles of flowers in many colors; often forced by florists for Easter blooming.
Example sentences of the word spiraea
1. Noun, singular or mass
Because of its extremely specific habitat requirements and poor vegetative reproduction, as well as changes in stream water and creek characteristics, the Appalachian spiraea has become severely endangered.