| Name | Xanthosoma weeksii Madison |
| Authorship | Madison |
| Rank | Species |
| Placed in | Xanthosoma Schott |
| Citation | 1978 Aroideana 1(1): 24, f |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Xanthosoma weeksii Madison |
| Identification made in | [no date] (2) |