Balfour, J.H. (1862), Description of a new species of Clerodendron from Old Calabar, which flowering in 1861, in the Royal Botanic Garden in Edinburgh. Edinburgh New Philosophical Journal n. ser 15: 233 [tax. nov.]

• Type: "... volubilis crescit ad ripas fluminis Old Calabar in Africa occidentali."

common name: Mrs Thomson's Clerodendron [n/a]

• Text: "Mr Thomson states that the plant grows abundantly on the banks of the Old Calabar River above salt water range."

Forster, P.I. in Henderson, R.J.F. (ed.) (2002), Lamiaceae. Names and Distribution of Queensland Plants, Algae and Lichens: 94 [secondary reference]

Council of Heads of Australasian Herbaria (2006), Australian Plant Census: - [secondary reference]

orthographic variant: Clerodendron thomsonae Balf. orth. var.

• APC Dist.: Qld (naturalised)

Bostock, P.D. & Holland, A.E. (August 2017), Appendix A: New names and name and status changes 2016 census to 2017 census. Introduction to the Census of the Queensland Flora 2017: 21 [taxonomic synonym]

taxonomic synonym of: Clerodendrum x speciosum Dombrain legitimate

Council of Heads of Australasian Herbaria (7 July 2021), Australian Plant Census: - [taxonomic synonym]

taxonomic synonym of: Clerodendrum x speciosum Dombrain legitimate

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