| Name | Planchonella costata var. umbonata P. Royen |
| Authorship | P. Royen |
| Rank | Variety |
| Placed in | Planchonella costata (Endlicher) Pierre |
| Citation | 1957 Blumea 8: 379, 432 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Planchonella costata var. umbonata P. Royen |
| Identification made in | 2024 (1) |
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