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CCDB → Angiosperms → Acanthaceae → Tetramerium → Tetramerium platystegium Torr.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Tetramerium platystegium Torr. | Tetramerium platystegium Torr. | 18 | IPCN online | Hilsenbeck, R. A. 1983. In IOPB chromosome number reports LXXX. Taxon 32: 505–506. |