As classified in WFO snapshot
May 2019
Warning: older classification
variety
Spiraea japonica var. fortunei
This variety name was first published in Cycl. Amer. Hort. 4: 1703 (1902)
At the time of this classification snapshot, this variety name was accepted by WFO (placed as the accepted name of a taxon). Its description and other taxonomic data can be found on World Flora Online, id: wfo-0001015308.