⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2655108, with some changes.
This name is a synonym of Asclepias obtusifolia .
The record derives from WCSP (in review) which reports it as a synonym and as an illegitimate name with original publication details: Fl. Carol. 105 1788.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:94576-1
.