⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-50078496, 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 50078496) with original publication details: Bull. Acad. Int. Géogr. Bot. 12: 114 114 1903.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:791641-1.