Genus
Spiraea (Meadowsweet)
Spiraea splendens. Photo: (c) Andrea Wirth, some rights reserved (CC BY-NC-SA)
Spiraea /spaɪˈriːə/,, sometimes spelled spirea in common names, is a genus of about 80 to 100 species of shrubs in the family Rosaceae. They are native to the temperate Northern Hemisphere, with the greatest diversity in eastern Asia.