⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-50209423, with some changes.
This name is a synonym of Hydrangea robusta Hook. f. & Thomson.
The record derives from Tropicos which reports it as a synonym (record 50209423) with original publication details: J. Arnold Arbor. 37: 373 373 1956.