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CCDB → Angiosperms → Rubiaceae → Urophyllum → Urophyllum zeylanicum Thwaites
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Urophyllum zeylanicum Thwaites | Urophyllum zeylanicum Thwaites | 54 | IPCN online | Kiehn, M. 1986. Karyosystematic studies on Rubiaceae: chromosome counts from Sri Lanka. Pl. Syst. Evol. 154: 213–223. | ||
| ! | Urophyllum zeylanicum Thwaites | Urophyllum zeylanicum Thwaites | 54 | IPCN online | Kiehn, M. 1995. Chromosome survey of the Rubiaceae. Ann. Missouri Bot. Gard. 82: 398–408. |