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 → Onagraceae → Oenothera → Oenothera longissima Rydb.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Oenothera longissima Rydb. | Oenothera longissima Rydb. | 7II, R4+5II, R6+4II, etc. | IPCN online | Dietrich, W., W. L. Wagner & P. H. Raven. 1997. Systematics of Oenothera section Oenothera subsection Oenothera (Onagraceae). Syst. Bot. Monogr. 50: 1–234. | |||
| Oenothera longissima Rydb. | Oenothera longissima Rydb. | 7 | Cave1956supp | Munz 1949 |