⚠ Version 1 of The Plant List has been superseded.
This name record (from Tropicos) is not included in version 1.1 of The Plant List. It is possible the same name is included from a different data source, to check this you can search for Olinia usambarensis in version 1.1 of The Plant List.
This name is a synonym of Olinia rochetiana .
The record derives from Tropicos which reports it as a synonym (record 23100013
) with original publication details: Abh. Preuss. Akad Wiss., Math.-Naturwiss. Kl. (1894) 63; et in Bot Jahrb. xix. (1894) 277. 1894.