This name is a synonym of Petunia hybrida Vilm..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 29604875) with original publication details: Bot. Mag. 64: pl. 3556 1837.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:282570-2.
This name was in version 1 of The Plant List, record tro-29604875.