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CCDB → Angiosperms → Apocynaceae → Duvalia → Duvalia polita N. E. Br.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Duvalia polita var. polita | Duvalia polita N. E. Br. | 44 | IPCN online | Albers, F. 1977. In IOPB chromosome number reports LVIII. Taxon 26: 557–565. | |||
| ! | Duvalia polita N. E. Br. | Duvalia polita N. E. Br. | 44 | IPCN67-71 | REESE, G.' & H. KRESSEL. 1968. Untersuchungen uber die Chromosomenzahlen der Stapelieae. Portugaliae Acta Biol. Ser. A 10: 33-54. |