This name is a synonym of Solenostemon sylvaticus (Gürke ex Engl.) Agnew.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 100171036) with original publication details: Bot. Jahrb. Syst. 19: 219 1894.
This name record (from Tropicos) 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 Coleus sylvaticus in version 1 of The Plant List.