⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-50307850, with some changes.
This name is a synonym of Philadelphus microphyllus var. argyrocalyx (Wooton) Henrickson.
The record derives from Tropicos which reports it as a synonym (record 50307850) with original publication details: Contr. W. Bot. 12: 14 14 1908.