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 → Bignoniaceae → Catalpa → Catalpa speciosa (Warder) Warder ex Engelm.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Catalpa speciosa (Warder) Warder ex Engelm. | Catalpa speciosa (Warder) Warder ex Engelm. | 40 | IPCN online | Huang, S. f., Y. q. Wang, Z. y. Chen & X. h. Shi. 1988. Plant chromosome counts (4). Subtrop. Forest Sci. Technol. 16: 25–30. | ||
| ! | Catalpa speciosa (Warder) Warder ex Engelm. | Catalpa speciosa (Warder) Warder ex Engelm. | 40 | Fedorov, 1974 | Smith E. C. 1941 | ||
| ! | Catalpa speciosa (Warder) Warder ex Engelm. | Catalpa speciosa (Warder) Warder ex Engelm. | 40 | Darlington, 1955 |