This name is a synonym of Alternanthera pungens Kunth.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym and as an illegitimate name with original publication details: Phys. Beschr. Canar. Ins. 141 1828.
This name was in version 1 of The Plant List, record kew-2617663.