Linnaeus, C. (1 May 1753), Species Plantarum 2: 637 [tax. nov.]

• Type: O. spinosa L.

Munir, A.A. (20 July 1989), A taxonomic revision of the genus Clerodendrum L. (Verbenaceae) in Australia. Journal of the Adelaide Botanic Gardens 11: 104 [taxonomic synonym]

taxonomic synonym of: Clerodendrum L. legitimate

Council of Heads of Australasian Herbaria (2010), Australian Plant Census: - [taxonomic synonym]

taxonomic synonym of: Clerodendrum L. legitimate

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