The record derives from TICA
(data supplied on )
which reports it as a synonym (record
82513100-605C-4E02-B0E4-994B466A6E93) with original publication details: "Jacquem., Voy. Inde 4(Bot): 100, t. 108. 1844" 1844.
This name record (from TICA) 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 Prenanthes violifolia in version 1 of The Plant List.