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 → Polygonaceae → Polygonum → Polygonum japonicum Meisn.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Persicaria japonica (Meisn.) H. Gross ex Nakai | Polygonum japonicum Meisn. | 40, 49, 50 | IPCN online | Iwatsubo, Y., T. Suzuki & N. Naruhashi. 2003. Polyploidy of Persicaria japonica (Polygonaceae) in Toyama Prefecture, central Japan. J. Phytogeogr. Taxon. 51: 59–61. | |||
| ! | Polygonum japonicum Meisn. | Polygonum japonicum Meisn. | 44 | Darlington, 1955 | India, Malaya | ||
| ! | Polygonum japonicum Meisn. | Polygonum japonicum Meisn. | 40 | Cave1962 | Doida 1962 |