⚠ Version 1 of The Plant List has been superseded.
This name record (from Tropicos) is not included in version 1.1 of The Plant List. It is possible the same name is included from a different data source, to check this you can search for Spiraea obtusa in version 1.1 of The Plant List.
This name is a synonym of Spiraea blumei var. blumei .
The record derives from Tropicos which reports it as a synonym (record 27808503
) with original publication details: Bot. Mag. (Tokyo) 31(369): 97 97 1917.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:742421-1
.