⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2654903, and has not been changed.
This name is a synonym of Asclepias jamesii .
The record derives from WCSP (in review) which reports it as a synonym and as an illegitimate name with original publication details: Mem. Torrey Bot. Club 5: 263 1894.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:21224-2
.