⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-165568, and has not been changed.
This name is a synonym of Washingtonia robusta .
The record derives from WCSP which reports it as a synonym (record 165568
) with original publication details: Schweiz. Gartenbau 7: 8 1931.