Synonymy
Clerodendrum formicarum Gürke in Bot. Jahrb. Syst. 18: 179. 1893
- ≡Siphonanthus formicarus (Gürke) Hiern, Cat. Afr. Pl. 1: 843. 1900
- =Clerodendrum triplinerve Rolfe in Bol. Soc. Brot. 11: 87. 1893
- =Clerodendrum lujaei De Wild. & T. Durand in Bull. Soc. Roy. Bot. Belgique, Compt. Rend. 38: 213. 1899
- =Clerodendrum yaundense Gürke in Bot. Jahrb. Syst. 28: 297. 1900
- =Clerodendrum oreadum S. Moore in J. Bot. 45: 93. 1907
- =Clerodendrum formicarum var. sulcatum B. Thomas in Bot. Jahrb. Syst. 68: 74. 1936
- ≡Clerodendrum triplinerve var. sulcatum (B. Thomas) Moldenke in Phytologia 3: 409. 1951
- =Clerodendrum triplinerve var. grandiflorum Moldenke in Phytologia 4: 177. 1953