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CCDB → Angiosperms → Piperaceae → Piper → Piper ornatum N. E. Br.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Piper ornatum N. E. Br. | Piper ornatum N. E. Br. | 52 | IPCN online | Samuel, R. 1987. Chromosome numbers in Piper. Kew Bull. 42: 465–470. | ||
| ! | Piper ornatum N. E. Br. | Piper ornatum N. E. Br. | 52 | IPCN online | Samuel, R. & W. Morawetz. 1989. Chromosomal evolution within Piperaceae. Pl. Syst. Evol. 166: 105–117. | ||
| ! | Piper ornatum N. E. Br. | Piper ornatum N. E. Br. | 80 | Kumar, 1987 | Sharma, A.K. & Bhattacharyya, N.K. 1958b, 1959e | ||
| ! | Piper ornatum N. E. Br. | Piper ornatum N. E. Br. | 80 | Fedorov, 1974 | Sharma A. K., Bhattacharyya N. K. 1958b, 1959e | ||
| ! | Piper ornatum N. E. Br. | Piper ornatum N. E. Br. | 52 | C-values database | Samuel R, Smith JB, Bennett MD. 1986. Nuclear DNA variation in Piper (Piperaceae). Canadian Journal of Genetics and Cytology 28: 1041-1043. | ||
| Piper ornatum N. E. Br. | Piper ornatum N. E. Br. | 80 | Cave1959 | Sharma & Bhat. 1959a |