⚠ Version 1.1 of The Plant List has been superseded and should no longer be used.
The new version is available at http://www.worldfloraonline.org/tpl/kew-2616684. The new version is enhanced, using more data sources including Taxonomic Expert Networks and will be more frequently updated.
This name is a synonym of Asclepias cryptoceras .
The record derives from WCSP (in review) (data supplied on ) which reports it as a synonym with original publication details: Rep. Exped. Rocky Mts. 2: 317 1845.
Full publication details for this name can be found in IPNI:
This name was in version 1 of The Plant List, record kew-2616684.