⚠ Version 1 of The Plant List has been superseded.
This name record (from Tropicos) is not included in version 1.1 of The Plant List. It is possible the same name is included from a different data source, to check this you can search for Piper machadoanum in version 1.1 of The Plant List.
This name is a synonym of Piper trigonum .
The record derives from Tropicos which reports it as a synonym (record 25000703
) with original publication details: Prim. Fl. Costaric. 2(3): 253-254 253 1899.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:198364-2
.