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CCDB → Angiosperms → Apocynaceae → Hoya → Hoya keysii F. M. Bailey
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Hoya keysii F. M. Bailey | Hoya keysii F. M. Bailey | 22 | IPCN online | Nakamura, T. 1991. A study of geographical differentiation and chromosome of succulent plants in the family Asclepiadaceae. Kromosomo 61: 2068–2077. | ||
| ! | Hoya keysii F. M. Bailey | Hoya keysii F. M. Bailey | 22 | IPCN online | Nakamura, T. & H. Yuasa. 1978. The cytological studies in family Asclepiadaceae IV. Chromosome numbers and karyotypes in genus Hoya. Kromosomo, II 11–12: 318–326. |