⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-50327329, with some changes.
This name is a synonym of Hydrangea arborescens subsp. radiata .
The record derives from Tropicos which reports it as a synonym (record 50327329
) with original publication details: Prodr. 4: 14 14 1830.