Piper nigrum L. | Samuel, R. 1987. Chromosome numbers in Piper. Kew Bull. 42: 465–470. | 86-87 | | 52, c.104 |
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Piper nigrum L. | Okada, H. 1986. Karyomorphology and relationships in some genera of Saururaceae and Piperaceae. Bot. Mag. (Tokyo) 99: 289–299. | 86-87 | | 52 |
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Piper nigrum L. | Samuel, R. & W. Morawetz. 1989. Chromosomal evolution within Piperaceae. Pl. Syst. Evol. 166: 105–117. | 88-89 | | 52 |
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Piper nigrum L. | Aguiar-Perecin, M. L. R. d., W. Schimidt & R. H. P. Barriga. 1982. Dados preliminares da análise citogenética de variedades de pimenta-do-reino e espécies afins (Piperaceae). Ci. & Cult. 34: 753. | 90-91 | | 26 |
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Piper nigrum L. | Nair, R. R., B. Sasikumar & P. N. Ravindran. 1993. Polyploidy in a cultivar of black pepper (Piper nigrum L.) and its open pollinated progenies. Cytologia 58: 27–31. | 92-93 | | 78 |
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Piper nigrum L. | Mathew, P. J., P. M. Mathew & P. Pushpangadan. 1999. Cytology and its bearing on the systematics and phylogeny of the Piperaceae. Cytologia 64: 301–307. | 98-00 | 26 | 52 |
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Piper nigrum L. | Mathew, P. J., P. M. Mathew & P. Pushpangadan. 1998. Cytological studies in south Indian Piperaceae I. Piper. J. Cytol. Genet. 33(2): 149–153. | 98-00 | 26II | 52 |
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Piper nigrum L. | Sampathkumar, R. 1981. In Chromosome number reports LXXII. Taxon 30: 696. | 79-81 | | 52,65 |
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Piper nigrum L. | Samuel, M. R. A. & K. V. A. Bavappa. 1981. Chromosome numbers in the genus Piper. Curr. Sci. 50: 197–198. | 79-81 | | 54 |
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Piper nigrum L. | Joseph, A., R. Joseph & J. Jose. 1999. Karyomorphometrical analysis in Piper species using image analysis system. Cytobios 97: 7–11. | 01-03 | | 53 |
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