Spiraea Linnaeus. Subfamily: Amygdaloideae. Tribe: Spiraeeae.
A genus of about 80-120 species, shrubs, of north temperate areas (especially Asia). Many species and hybrids are cultivated, and additional taxa to those treated below may be encountered as persistent or escaped.
Ref: Kalkman In Kubitzki et al. (2004); Lis (2014) In Flora of North America Editorial Committee (2014); Mink, Singhurst, & Holmes (2011b); Rehder (1940); Robertson (1974); Uttal (1974). Show full citations.