In the past this name has been erroneously used to refer to Xylopia frutescens Aubl..
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a misapplied name with original publication details: Fl. Flumin. 9: t. 127 1831.
This name record (from WCSP (in review)) 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 Xylopia muricata in version 1 of The Plant List.