⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2616695, with some changes.
This name is a synonym of Asclepias viridiflora .
The record derives from WCSP (in review) which reports it as a synonym with original publication details: Mem. Torrey Bot. Club 5: 265 1894.