| Name | Spatholobus ferrugineus var. acutis Ridder-Numan |
| Authorship | Ridder-Numan |
| Rank | Variety |
| Placed in | Spatholobus ferrugineus (H. Zollinger & A. Moritzi) Bentham |
| Citation | 1985 Reinwardtia 10(2): 172 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Spatholobus ferrugineus var. acutis Ridder-Numan |
| Identification made in | [no date] (1) |