⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2631380, with some changes.
This name is a synonym of Alternanthera pungens Kunth.
The record derives from WCSP (in review) which reports it as a synonym and as an illegitimate name with original publication details: Cat. Hist. Nat. Corrientes 79 1897.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:59293-1.