This name is a synonym of Zingiber leptostachyum Valeton.
The record derives from WCSP
(data supplied on 2012-03-26)
which reports it as a synonym (record 273272) with original publication details: J. Straits Branch Roy. Asiat. Soc. 54: 58 1910.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:873045-1.
This name was in version 1 of The Plant List, record kew-273272, and has not been changed.