This name is a synonym of Mikania micrantha Kunth.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 4D2F9023-D356-4019-AAC7-1857CC3E8F49) with original publication details: Prim. Fl. Esseq. 249. 1818 249 1818.
This name record (from TICA) was not included in version 1 of The Plant List. It is possible the same name was included from a different data source, to check this you can search for Kleinia alata in version 1 of The Plant List.