| Celastraceae | |
Helictonema klaineanum
| Pierre | Bull. Mens. Soc. Linn. Paris, sér. 2 1: 73 | 1898 |
| Celastraceae | ** |
Helictonema velutinum
| (Afzel.) R. Wilczek | in Fl. Congo Belge 9: 136 | 1960 |
| Celastraceae | |
Helictonema velutinum
| (Afzel.) Pierre ex N. Hallé | Monogr. Hippocr. Afr. Occid., These, Paris 48 | 1958 |