⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-8471, and has not been changed.
This name is a synonym of Amsonia longiflora var. salpignantha .
The record derives from WCSP which reports it as a synonym (record 8471
) with original publication details: Ann. Missouri Bot. Gard. 15: 417 1928.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:76928-1
.