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CCDB → Angiosperms → Piperaceae → Piper → Piper unguiculatum Ruiz & Pav.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Piper unguiculatum Ruiz & Pav. | Piper unguiculatum Ruiz & Pav. | 13 | IPCN online | Bedi, Y. S., S. S. Bir & B. S. Gill. 1980. In Chromosome number reports LXVII. Taxon 29: 353–355. | |||
| ! | Piper unguiculatum Ruiz & Pav. | Piper unguiculatum Ruiz & Pav. | 28 | Darlington, 1955 | Peru |