⚠ Version 1 of The Plant List has been superseded.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 Opuntia aciculata in version 1.1 of The Plant List.
This name is a synonym of Opuntia engelmannii subsp. aciculata .
The record derives from Tropicos which reports it as a synonym (record 5101017
) with original publication details: Proc. Biol. Soc. Wash. 29(3): 10-11 10 1916.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:281603-2
.