| Name | Exostema polyphyllum Urban & Ekman |
| Authorship | Urban & Ekman |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Exostema (Persoon) Bonpland |
| Citation | 1922 Ark. Bot. 22A (10): 86 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Exostema polyphyllum Urban & Ekman |
| Identification made in | [no date] (1) |