This name is a synonym of Cyanus triumfettii subsp. axillaris (Čelak.) Štěpánek.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record C732193C-4CCE-42FC-9FAA-3DD7810C2C39) with original publication details: 578 1838.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:190308-1.
This name was in version 1 of The Plant List, record gcc-33363.