CCDB is a community resource. If you are aware of any missing data or if any of the counts are erroneous please submit it to the forms submit new counts, or report erroneous counts.
CCDB → Angiosperms → Piperaceae → Piper → Piper umbellatum L.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Piper postelsianum Maxim. | Piper umbellatum L. | 26 | IPCN online | Okada, H. 1986. Karyomorphology and relationships in some genera of Saururaceae and Piperaceae. Bot. Mag. (Tokyo) 99: 289–299. | |||
| Piper postelsianum Maxim. | Piper umbellatum L. | 26 | IPCN75-78 | Ono 1975 | |||
| Piper postelsianum Maxim. | Piper umbellatum L. | 26 | IPCN75-78 | Ono 1977a | |||
| Piper umbellatum L. | Piper umbellatum L. | 28 | IPCN75-78 | Gadella 1977d | |||
| ! | Piper subpeltatum Willd. | Piper umbellatum L. | 24 | Kumar, 1987 | Palm, B. 1915 (Tischler, G. 1927) ; Johansen, D.A 1931 | ||
| ! | Piper subpeltatum Willd. | Piper umbellatum L. | 24 | Fedorov, 1974 | Palm 1915 (T. 1927) | ||
| ! | Piper subpeltatum Willd. | Piper umbellatum L. | 24 | Fedorov, 1974 | Johansen 1931b | ||
| ! | Piper subpeltatum Willd. | Piper umbellatum L. | 24 | Darlington, 1955 | Johansen 193lb |