{# load django_bootstrap5#%} CCDB server
Prof. Itay Mayrose Lab - Plant Evolution, bioinformatics, & comparative genomics


   CCDB is a community resource. If you are aware of any missing data or if any of the counts are erroneous please submit it to the forms submit new counts, or report erroneous counts.


CCDBAngiospermsSolanaceaeSolanumSolanum nigrum L.

151 chromosome counts in Solanum nigrum L.:


Name Accepted Name Gametophytic(n) Sporophytic(2n) Data Source reference
  Solanum nigrum L. Solanum americanum Mill.   72 IAPT/IOPB IAPT/IOPB Chromosome Data 20
  Solanum nigrum L. Solanum americanum Mill.   72 IAPT/IOPB IAPT/IOPB Chromosome Data 23
!   Solanum nigrum L. Solanum americanum Mill.   48 IAPT/IOPB IAPT/IOPB Chromosome Data 25
  Solanum nigrum L. Solanum nigrum L.   72 Slovakia Database Májovský J. et al., 1974a: Index of chromosome numbers of Slovakian flora (Part 3). - Acta Fac. Rerum Nat. Univ. Comen., Bot. 22: 1-20.
  Solanum nigrum L. Solanum nigrum L.   72 Slovakia Database Májovský J. et al., 1974a: Index of chromosome numbers of Slovakian flora (Part 3). - Acta Fac. Rerum Nat. Univ. Comen., Bot. 22: 1-20.
  Solanum nigrum L. Solanum nigrum L.   72 Slovakia Database Hindáková M., Feráková V. & Schwarzová T., 1985: Karyologisches Studium der slowakischen Flora VII. - Acta Fac. Rerum Nat. Univ. Comen., Bot. 32: 71-75.
  Solanum nigrum L. Solanum nigrum L. 12   IAPT/IOPB IAPT/IOPB Chromosome Data 12
  Solanum nigrum L. Solanum nigrum L.   72 IAPT/IOPB  
  Solanum nigrum L. Solanum nigrum L.   72 IAPT/IOPB  
!   Solanum nigrum L. Solanum nigrum L.   72 British Isles cytology Leslie, A.C. Watsonia 12: 29-32 (1978)
!   Solanum nigrum L. Solanum nigrum L.   72 British Isles cytology Edmonds, J.M. Bot. J. Linn. Soc. 75: 141-178 (1977)
  Solanum nigrum L. Solanum nigrum L.   48 Flora Iberica Chromosome numbers of vascular plants from Austria, Mallorca and Yugoslavia. Nilsson, O. & P. Lassen.Bot. Not.124: 270-276(1971).
  Solanum nigrum L. Solanum nigrum L.   36 Flora Iberica Nmeros cromosmicos para la flora espaola, 150-154. Silvestre, S.Lagascalia9(2): 266-269(1980).
  Solanum nigrum L. Solanum nigrum L.   48-72 Flora Iberica Studies on the flora of the Balearic Islands, I. Dahlgren, R., Th. Karlsson & P. Lassen.Bot. Not.124: 249-269(1971).
!   Solanum nigrum L. Solanum nigrum L.   48 flora of NW Europe http://wbd.etibioinformatics.nl/bis/flora.php?selected=beschrijving&menuentry=soorten&id=3359
!   Solanum nigrum L. Solanum nigrum L.   72 flora of NW Europe http://wbd.etibioinformatics.nl/bis/flora.php?selected=beschrijving&menuentry=soorten&id=3360
  Solanum nigrum L. Solanum nigrum L.   72 Poland Database Skali?ska M. et al. 1964. Additions to chromosome numbers of Polish Angiosperms (Fifth contribution). Acta Soc. Bot. Pol. 33, 45-76.
!   Solanum nigrum L. Solanum nigrum L. 36   Goldberg, pers comm  
!   Solanum nigrum L. Solanum nigrum L. 36   Goldberg, pers comm  
!   Solanum nigrum L. Solanum nigrum L. 36   Goldberg, pers comm  
!   Solanum nigrum L. Solanum nigrum L. 36   Goldberg, pers comm  
!   Solanum nigrum L. Solanum nigrum L. 12   Goldberg, pers comm  
!   Solanum nigrum L. Solanum nigrum L. 36   Goldberg, pers comm  
  Solanum nigrum L. Solanum nigrum L. 12   IPCN65 Baquar et al. 1965
  Solanum nigrum L. Solanum nigrum L. 12, 36   IPCN online Beg, M. Z. & A. H. Khan. 1988. The mechanism of speciation and evolutionary trend in Solanum nigrum complex. Cytologia 53: 297–306.
  Solanum nigrum L. Solanum nigrum L. 36   IPCN online Ganapathi, A. 1988. On the functioning of 2n gamete in the Solanum nigrum complex. Cytologia 53: 175–179.
  Solanum nigrum L. Solanum nigrum L. 24   IPCN online Ganapathi, A. & G. R. Rao. 1982. Interrelationships between tetraploid Solanum nigrum L. and Solanum americanum Mill. Proc. Indian Sci. Congr. Assoc. 69(3–VI): 224.
  Solanum nigrum L. Solanum nigrum L.   72 IPCN online Dmitrieva, S. A. & V. I. Parfenov. 1985. Kariologicheskaja kharakteristika nekotorykh vidov poleznykh rastenij flory Belorussii. Izv. Akad. Nauk Belorussk. SSR, Ser. Biol. Nauk 6: 3–8.
  Solanum nigrum L. Solanum nigrum L. 24   IPCN online Aminuddin & A. H. KHAN. 1986. A cytogenetical investigation in Solanum nigrum complex. Indian J. Bot. 9: 14–17.
  Solanum nigrum L. Solanum nigrum L. 36   IPCN online Khan, A. H., G. R. Rao & R. Khan. 1974. Genetic system and evolutionary trends in Solanum nigrum complex II: Cytomorphological studies of the hybrids between hexaploid Indian Solanum nigrum Linn. and Solanum nodiflorum Jacq. Bull. Bot. Surv. India 16: 35–39.
  Solanum nigrum L. Solanum nigrum L.   24 IPCN online Govindarajan, T. & N. Vijayakumar. 1986. Cytotaxonomical studies of south Indian Solanum and Lycopersicum. J. Indian Bot. Soc. 66: 373–376.
  Solanum nigrum L. Solanum nigrum L.   24, 48 IPCN online Kulkarni, T. G. & B. A. Hegde. 1983. Stomatal chloroplast-count a basis for idenfication of naturally occuring diploids & tetraploids of Solanum nigrum L. complex. Proc. Indian Sci. Congr. Assoc. 70(3VI): 101.
  Solanum nigrum L. Solanum nigrum L.   72 IPCN online Probatova, N. S. & A. P. Sokolovskaya. 1981. Kariologicheskoe issledovanie sosudistykh rastenij ostrovov Dal'nevostocnogo gosudarstvennogo morskogo sapovednika. Sb. Cvetkaye Rastenija Ostrovov Dalnevostochnogo Morskogo Sapovednika. 92–114.
  Solanum nigrum L. Solanum nigrum L. 24   IPCN online Rao, G. R. & O. A. Kumar. 1981. Cytology of Solanum nigrum L., S. retraflexum Dunn. and their hybrids. Proc. Indian Acad. Sci. 90: 227–230.
  Solanum nigrum L. Solanum nigrum L. 12, 24, 36   IPCN online Bir, S. S., S. Kumari, S. P. Shoree & M. S. Sagoo. 1978. Cytological studies in certain Bicarpellatae from north and central India. J. Cytol. Genet. 13: 99–106.
  Solanum nigrum L. Solanum nigrum L. 12   IPCN online Rao, C. R., N. H. Siddiqui & R. Khan. 1980. Mechanism of speciation in the Solanum nigrum complex. Indian J. Genet. Pl. Breed. 40: 67–72.
  Solanum nigrum L. Solanum nigrum L. 12, 24   IPCN online Bir, S. S. & Neelam. 1984. SOCGI plant chromosome number reports -- II. J. Cytol. Genet. 19: 113–114.
  Solanum nigrum L. Solanum nigrum L.   72 IPCN online Singh, R. N. & S. K. Roy. 1982. A contribution to cytology of Solanum nigrum complex. Curr. Sci. 51: 572–573.
  Solanum nigrum L. Solanum nigrum L.   60 IPCN online Magulaev, A. V. 1984. Cytotaxonomic study in some flowering plants of the North Caucasus. Bot. Zhurn. SSSR 69(4): 511–517.
  Solanum nigrum L. Solanum nigrum L. 36   IPCN online Singh, R. N. & S. K. Roy. 1985. Cytomorphological studies of dodecaploid (12x) Solanum nigrum Linn. Cytologia 50: 59–68.
  Solanum nigrum L. Solanum nigrum L. 12   IPCN online Rao, G. R. & O. A. Kumar. 1983b. Interrelationships among diploid species of the Solanum nigrum L. complex. J. Indian Bot. Soc. 62: 25–31.
  Solanum nigrum L. Solanum nigrum L.   24, 48,72 IPCN online Bhiravamurty, P. V. & P. Rethy. 1983. Taximetric studies of the Solanum nigrum L. complex. Proc. Indian Natl. Sci. Acad., B 49: 661–666.
  Solanum nigrum L. Solanum nigrum L. 18   IPCN online Aminuddin, A. H. K. & M. Z. Beg. 1985. Inter-relationship between Indian tetraploid Solanum nigrum and Solanum nodiflorum ssp. nutans of Solanum nigrum complex. Acta Bot. Indica 13: 84–89.
  Solanum nigrum L. Solanum nigrum L. 12   IPCN online Khatoon, S. & S. I. Ali. 1982. Chromosome numbers of some plants of Pakistan. Pakistan J. Bot. 14: 117–129.
  Solanum nigrum L. Solanum nigrum L. 70I+1II   IPCN online Singh, R. N., A. N. Sahi & S. K. Roy. 1988. Solanum nigrum complex: effect of temperature. Sci. & Cult. 54: 341–342.
  Solanum nigrum L. Solanum nigrum L.   48, 72 IPCN online Okoli, B. E. 1988. Cytotaxonomic study of five west African species of Solanum L. (Solanaceae). Feddes Repert. 99: 183–187.
  Solanum nigrum L. Solanum nigrum L. 36   IPCN online Beg, M. Z. & A. H. Khan. 1989. Factors creating isolating barrier between species of Solanum nigrum complex. Cytologia 54: 437–444.
  Solanum nigrum L. Solanum nigrum L. 24   IPCN online Husaini, S. W. H. & G. A. Iwo. 1990. Cytomorphological studies in some weedy species of the family Solanaceae from Jos Plateau, Nigeria. Feddes Repert. 101: 41–47.
  Solanum nigrum L. Solanum nigrum L. 12II, 24II   IPCN online Kumar, J. & A. Kumar/Sinha. 1989. Influence of distributional pattern on the reproductive mechanism and recombination system of solanaceous weeds. Glimpses Cytogenet. India 2: 62–67.
  Solanum nigrum L. Solanum nigrum L. 12   IPCN online Chatterjee, A., S. Ghosh & S. C. Roy. 1989. A cytological survey of eastern Himalayan plants III. Cell Chromosome Res. 12: 22–29.
  Solanum nigrum L. Solanum nigrum L. 9I+9II+3III   IPCN online Singh, R. N., A. N. Sahi & D. N. Tiwari. 1992. Cytomorphological studies of spontaneous and artificial triploids and their role in the evolution of hexaploid Solanum nigrum L. Cytologia 57: 1–7.
  Solanum nigrum L. Solanum nigrum L.   72 IPCN online Hindáková, M., V. Feráková & T. Schwarzová. 1985. Karyologisches Studium der slowakischen Flora VII. Acta Fac. Rerum Nat. Univ. Comenianae, Bot. 32: 71–75.
  Solanum nigrum L. Solanum nigrum L.   48, 72 IPCN online Morton, J. K. 1993. Chromosome numbers and polyploidy in the flora of Cameroon Mountain. Opera Bot. 121: 159–172.
  Solanum nigrum L. Solanum nigrum L. 12   IPCN online Trivedi, M. P. & R. N. Trivedi. 1992. Chromosomal behaviour in weeds. Glimpses Cytogenet. India 3: 188–198.
  Solanum nigrum L. Solanum nigrum L.   72 IPCN online Yang, Y. n., H. y. Zhang & G. y. Wu. 1994. The cytological analyses and studies of geographic distribution in Solanum nigrum complex of China. Bull. Bot. Res., Harbin 14(2): 208–213.
  Solanum nigrum L. Solanum nigrum L.   72 IPCN online Badr, A., S. F. Khalifa, A. I. Aboel-Atta & M. M. Abou-El-Enain. 1997. Chromosomal criteria and taxonomic relationships in the Solanaceae. Cytologia 62: 103–113.
  Solanum nigrum L. Solanum nigrum L.   72 IPCN online Jav|0urková-Jarolímová, V. 1992. In J. M|3esí|3ccek & V. Jav@0urková-Jarolímová, List of Chromosome Numbers of the Czech Vascular Plants. Academia, Praha.
  Solanum nigrum L. Solanum nigrum L.   24, 48, 72 IPCN online Sheidai, M., M. Honarvar & M. Khatamsaz. 2000. Cytology, morphometry and seed protein analysis of Solanum species in Iran. Iran. J. Bot. 8(2): 187–208.
  Solanum nigrum L. Solanum nigrum L.   24, 36, 48 IPCN online Banerjee, S., N. K. Patra & A. Pal. 1999. Karyotypic and biochemical analysis of spontaneous triploid of Solanum nigrum complex. J. Cytol. Genet. 34(2): 101–109.
  Solanum nigrum L. Solanum nigrum L. 24   IPCN online Khatoon, S. & S. I. Ali. 1993. Chromosome Atlas of the Angiosperms of Pakistan. Department of Botany, University of Karachi, Karachi.
  Solanum nigrum L. Solanum nigrum L. 24 72 IPCN online RAO, G. R. & A. Kumar. 1980. Chromosome pairing in species-hybrids of Solanum nigrum L. complex. Curr. Sci. 868–870.
  Solanum nigrum L. Solanum nigrum L. 12 48 IPCN online Bir, S. S., S. Kumari, S. P. Shoree & M. S. Sagoo. 1978a. Cytological studies in certain Bicarpeilatse from north and central India. J. Cytol. Genet. 13: 99–106.
  Solanum nigrum L. Solanum nigrum L. 36 48 IPCN online Bir, S. S., S. Kumari, S. P. Shoree & M. S. Sagoo. 1978a. Cytological studies in certain Bicarpeilatse from north and central India. J. Cytol. Genet. 13: 99–106.
  Solanum nigrum L. Solanum nigrum L. 36 24,36,48,72 IPCN online Sidhu, M. K. 1979. Distributional and cytological studies of the weed flora of cultivable fields of Patiala district (Panjab). Ph.D. Thesis, Patiala. 1-230. 1979.
  Solanum nigrum L. Solanum nigrum L. 12,24,36 72 IPCN online Silvestre, S. 1980. In Numeros cromosomicos para la flora Espahola. 121-182. Lagascalia 9: 249–284.
  Solanum nigrum L. Solanum nigrum L. 24 48 IPCN online Bir, S. S. & M. Sidhu. 1980. Cyto-palynological studies on weed flora of cultivable lands of Patiala district (Punjab). J. Palynol. 16: 85–105.
  Solanum nigrum L. Solanum nigrum L. 12 72 IPCN online Symon, D. E. 1981. A revision of the genus Solanum in Australia. J. Adelaide Bot. Gard. 4: 1–367.
  Solanum nigrum L. Solanum nigrum L. 24 36 II IPCN online Dnyansagar, V. R. & V. S. Kothekar. 1978. Naturally occurring triploid of Solanum nigrum Llnn. Proc. Indian Sci. Congr. Assoc. (III, C) 65:98.
  Solanum nigrum L. Solanum nigrum L. 36   IPCN online Dnyansagar, V. R., A. R. Pringle & V. S. Kothekar. 1978. Evolution of B-chromosomes in Solanum viarum and genome complex in S. nigrum. Proc. Indian Sci. Congr. Assoc. (IV, B) 65: 127–128.
  Solanum nigrum L. Solanum nigrum L. 24 36 II IPCN online Edmonds, J. M. 1981. The artifical synthesis of Solanum X procurrens Leslie (S. nigrum L. X S. sarrachoides Sendtn.). Watsonia 13: 203–207.
  Solanum nigrum L. Solanum nigrum L. 36   IPCN online Fortuin, F. T. J. M. & S. W. P. Omta. 1980. Growth analysis and shade experiments with Solanum nigrum L., the black nightshade, a leaf and fruit vegetable in West Java. Netherlands J. Agric. Sci. 28: 199–210.
  Solanum nigrum L. Solanum nigrum L. 12,24   IPCN online Kumar, A. & G. R. RAO. 1979. Origin of trisomics in the Solanum nigrum complex. Curr. Sci. 48: 999–1000.
  Solanum nigrum L. Solanum nigrum L. 24 72 IPCN online Bir, S. S. & M. Sidhu. 1979. Cytological observations in weed fiora of orchards of Paticla district, Punjab. Recent Res. Pl. Sci. (New Delhi). 7: 261–271.
  Solanum nigrum L. Solanum nigrum L.   24, 48, 64 IPCN online Kumar, A. & P. Pushpangadan. 2005. Molecular systematic study of variants of Solanum nigrum L. in India. Cytologia 70: 33–38.
  Solanum nigrum L. Solanum nigrum L.   72 IPCN online Xu, X. f. 2004. Studies on chromosome of three types of Solanum nigrum in China. Guihaia 24(6): 544–545.
  Solanum nigrum subsp. schultesii (Opiz) Wessely Solanum nigrum L.   72 IPCN online Lippert, W. & G. R. Heubl. 1989. Chromosomenzahlen von Pflanzen aus Bayern und angrenzenden Gebieten: [Teil 2]. Ber. Bayer. Bot. Ges. 60: 73–83.
  Solanum nigrum subsp. schultesii (Opiz) Wessely Solanum nigrum L.   72 IPCN online Jav|0urková-Jarolímová, V. 1992. In J. M|3esí|3ccek & V. Jav@0urková-Jarolímová, List of Chromosome Numbers of the Czech Vascular Plants. Academia, Praha.
!   Solanum nigrum subsp. schultesii (Opiz) Wessely Solanum nigrum L.   72 IPCN online Gregor, T. & R. Hand. 2008. Chromosomenzahlen von Farn- und Samenpflanzen aus Deutschland 3. Kochia 3: 55–60.
!   Solanum nigrum Solanum nigrum L.   72 IPCN online Jav|0urková-Jarolímová, V. 1992. In J. M|3esí|3ccek & V. Jav@0urková-Jarolímová, List of Chromosome Numbers of the Czech Vascular Plants. Academia, Praha.
!   Solanum nigrum Solanum nigrum L. 24 48 IPCN online Oyelana, O. A. & R. E. Ugborogho. 1997. Cytomorphological studies of four species of Solanum L. (Solanaceae) in Nigeria. Rev. Cytol. Biol. Vég., Bot. 20(3/4): 25–41.
!   Solanum nigrum Solanum nigrum L.   72 IPCN online Lövkvist, B. & U. M. Hultgård. 1999. Chromosome numbers in south Swedish vascular plants. Opera Bot. 137: 1–42.
!   Solanum nigrum Solanum nigrum L.   42, 48, 60, c.63 IPCN online Lövkvist, B. & U. M. Hultgård. 1999. Chromosome numbers in south Swedish vascular plants. Opera Bot. 137: 1–42.
  Solanum nigrum L. Solanum nigrum L. 12   IPCN72 AVERETT, J.E., & A.M. POWELL. 1972. Chromosome numbers in Physalis and Solanum ( Solanaceae l. Sida 5: 3-7.
  Solanum nigrum L. Solanum nigrum L. 24, 36   IPCN72 GILL, L.S. 1972. Chromosome numbers in West-Himalayan bicarpellate species II. Bull. Torrey Bot. Club 99: 36-38.
  Solanum nigrum L. Solanum nigrum L.   24, , 48, 72 IPCN72 VENKATESWARLU, J . & M.K. RAO. 1972. Breeding system, crossability relationships and isolating mechanisms in the Solanum nigrum complex. Cytologia 37: 317-326.
!   Solanum nigrum L. Solanum nigrum L.   72 IPCN72 KLIPHUIS, E . & J.H. WIEFFERING. 1972. Chromosome numbers of some Angiosperms from the South of France. Acta Bot. Neer!. 21: 598-604.
!   Solanum villosum Opiz ex Dunal Solanum nigrum L.   48 IPCN72 VENKATESWARLU, J . & M.K. RAO. 1972. Breeding system, crossability relationships and isolating mechanisms in the Solanum nigrum complex. Cytologia 37: 317-326.
!   Solanum judaicum Besser Solanum nigrum L.   72 IPCN67-71 GERASIMENKO, I.I., & S.A. REZNIKOVA. 1968. A cytological investigation of the genus Solanum L. (In Russian) Bot. Zurn. 53: 505-513.
  Solanum nigrum L. Solanum nigrum L.   72 IPCN67-71 GERASIMENKO, I.I., & S.A. REZNIKOVA. 1968. A cytological investigation of the genus Solanum L. (In Russian) Bot. Zurn. 53: 505-513.
!   Solanum nigrum L. Solanum nigrum L. 12 24 IPCN67-71 HSU, C.-c. 1967. Preliminary chromosome studies on the vascular plants of Taiwan (I). Taiwania No. 13: 117-130.
  Solanum nigrum L. Solanum nigrum L. 12, 24   IPCN67-71 KRISHNAPPA, D.G. 1968. Meiotic behaviour in non-tuberiferous species of Solanum. Cellule 67: 163-173.
!   Solanum nigrum L. Solanum nigrum L.   48 IPCN67-71 MITRA, K. 1967. The significance of karyotype studies in relation to speciation in some solanaceous species. Bull. Bot. soc. Bengal 21: 75-80.
!   Solanum nigrum L. Solanum nigrum L. 12   IPCN67-71 BACQUAR, S.R. 1968. Erratum. Genetica 39: 573.
!   Solanum nigrum L. Solanum nigrum L. 12   IPCN67-71 HSU, C.-C. 1968. Preliminary chromosome studies on the vascular plants of Taiwan (II). Taiwania No. 14: 11-27.
  Solanum nigrum L. Solanum nigrum L. 12   IPCN67-71 VENKATESWARLU, J., & P.V. BHIRAVAMURTY. 1969. Morphology of the pachytene chromosomes of the Indian diploid Solanum nigrum L. Genetica 40: 407-412.
  Solanum nigrum L. Solanum nigrum L. 12   IPCN67-71 BAQUAR, S.R. 1967. Cytomorphological studies in the family Solanaceae from West Pakistan. Genetica 38: 388-397
  Solanum nigrum L. Solanum nigrum L.   72 IPCN67-71 GADELLA, Th. W. J., & E. KLIPHUIS. 1967. Chromosome numbers of flowering plants in the Netherlands III. Proc. Roy. Neth. Acad. Sci. Ser. c. 70: 7-20.
!   Solanum nigrum L. Solanum nigrum L.   24 IPCN67-71 BHATTACHARYA, S.S., M.M. KHALIFA, & I.I. CHAUDHRI. 1971. In IOPB chromosme number reports XXXII. Taxon 20: 349-356.
!   Solanum nigrum L. Solanum nigrum L. 24   IPCN67-71 RAO, G.R., R. KHAN, & A.H. KHAN. 1971. Structural hybridity and genetic system of Solanum nigrum complex. Bot. Mag. (Tokyo) 84: 335-338.
  Solanum nigrum L. Solanum nigrum L. 12, 36   IPCN67-71 RAO, M.K. M. KRISHNA. 1971. Cytology of a pentaploid hybrid and genome analysis in Solanum nigrum L. Genetica 42: 157-164.
  Solanum pseudoflavum Pojark. Solanum nigrum L.   48 IPCN67-71 GERASIMENKO, I.I., & S.A. REZNIKOVA. 1968. A cytological investigation of the genus Solanum L. (In Russian) Bot. Zurn. 53: 505-513.
  Solanum pseudoflavum Pojark. Solanum nigrum L. 12   IPCN67-71 KRISHNAPPA, D.G. 1968. Meiotic behaviour in non-tuberiferous species of Solanum. Cellule 67: 163-173.
  Solanum nigrum L. Solanum nigrum L. 24   IPCN75-78 Rao et al. 1976
  Solanum nigrum L. Solanum nigrum L.   72 IPCN75-78 Tandon & Rao 1974
  Solanum nigrum L. Solanum nigrum L. 36   IPCN75-78 Barlow & Randell in Randell & Symon 1976
  Solanum nigrum L. Solanum nigrum L.   56 IPCN75-78 Crompton & Bassett 1976
!   Solanum nigrum L. Solanum nigrum L. 36   IPCN75-78 Khan et al. 1977
!   Solanum nigrum L. Solanum nigrum L. 36   IPCN75-78 Khan et al. l 978a
!   Solanum nigrum L. Solanum nigrum L. 24   IPCN75-78 Rao et al. 1977
!   Solanum nigrum L. Solanum nigrum L.   72 IPCN75-78 Tandon & Rao 1974
!   Solanum nigrum L. Solanum nigrum L. 12 24 IPCN75-78 36
  Solanum nigrum L. Solanum nigrum L. 12   IPCN75-78 Koul et al. 1976b
  Solanum nigrum L. Solanum nigrum L.   54 IPCN75-78 Labadie 1976a
  Solanum nigrum L. Solanum nigrum L. 12 24 IPCN75-78 36
!   Solanum nigrum L. Solanum nigrum L. 12   IPCN75-78 Rao et al. 1978
!   Solanum nigrum L. Solanum nigrum L. 24 II   IPCN75-78 Rao et al. 1976
  Solanum nigrum L. Solanum nigrum L.   48, 72 IPCN73-74 DAHLGREN, R., TH. KARLSSON, & P. LASSEN. 1971. Studies on the flora I < the Balearic Islands. I. Chromosome numbers in Balearic angiosperms. sot. Notiser 124: 249~269.
!   Solanum nigrum L. Solanum nigrum L. 12, 24, 36   IPCN73-74 KHAN, A.H., G.R. RAO, & R. KHAN. 1972. Interrelationship within the Solanum nigrum complex. Proc. Indian Sci. Congr. Assoc. 59( III): 364.
  Solanum nigrum L. Solanum nigrum L.   48 IPCN73-74 NILSSON, Q., & P. LASSEN. 1971. Chromosome numbers of vascular pla from Austria, Mallorca and Yugoslav1a. Bot. Not1ser 124: 270-276. I
  Solanum nigrum L. Solanum nigrum L.   72 IPCN73-74 VAN LOON, J. 1974. A cytological investigation of flowering plants from the Canary islands. Acta Bot. Neerl. 23: 113-124.
  Solanum nigrum L. Solanum nigrum L.   56 IPCN73-74 KOUL, A.K., & R.N. GOHIL. 1973. Cytotaxonomical conspectus of the flora of Kashmir (1) Chromosome numbers of some common plants. Phyton (Horn) 15: 57-66.
!   Solanum nigrum L. Solanum nigrum L.   72 IPCN73-74 MAJOVSKY, J., ET AL. 1974. Index of chromosome numbers of Slovakian flora. (Part 3). Acta Fac. Rerum Nat. Univ. Comenianae Bot. 22: 1-20.
!   Solanum villosum Opiz ex Dunal Solanum nigrum L. 24   IPCN73-74 KHAN, A.H., G.R. RAO, & R. KHAN. 1972. Interrelationship within the Solanum nigrum complex. Proc. Indian Sci. Congr. Assoc. 59( III): 364.
!   Solanum villosum Opiz ex Dunal Solanum nigrum L.   48 IPCN73-74 ZUTSHI, u., & B.L. KAUL. 1974. Meiotic studies in some exotic non- tuberous species of Solanum. Cytologia 39: 225-232.
!   Solanum nigrum L. Solanum nigrum L.   24 Kumar, 1987 Baylis, G.T.S. 1958 ; Roy, R.P. & Saran, J. 1960; Diers, L. 1961 ; Nanda, P.C. 1962; Shibata, K. 1962a ; Venka- teswarlu, J. & Bhiravamurty, P.V. 1962, 1969 ; Chuang, T. I. et al. 1963 ; Borgmann, E. 1964; Baquar, S.R. et al. 1965 ; Baquar, S.R. 1967a; Hsu, C.-C. 1967, 1968 ; Bacquar, S.R. 1968 ; Bhattacharya, S.S. et al. 1971 ; Averett, J.E. & Powell, A.M. 1972 ; Rao, G.R., Khan, A.H. & Khan, R. 1978 ; Rao, G.R., Siddiqui, N.H. & Khan, R. 1978
!   Solanum nigrum L. Solanum nigrum L.   24, 36, 48 Kumar, 1987 Winkler, H. 1921
!   Solanum nigrum L. Solanum nigrum L.   24, 48 Kumar, 1987 Venkateswarlu, J. & Rao, M.K. 1967 ; Krishnappa, D.G. 1968 ; Khan, R. et al. 1975 (1978); Khan, A.H. & Rao, G.R. 1977
!   Solanum nigrum L. Solanum nigrum L.   24, 48, 72 Kumar, 1987 Bhaduri, P.N. 1933; Bezbaruah, H.P. & Bezbaruah, B. 1963 ; Tandon, S.L. & Rao, G.R. 1964-1965, 1966; Khan, A.H. et al. 1972; Venkateswarlu, J. & Rao, M.K. 1972
!   Solanum nigrum L. Solanum nigrum L.   24, 72 Kumar, 1987 Rao, M.K.M.K. 1971
!   Solanum nigrum L. Solanum nigrum L.   36 Kumar, 1987 Chennaveeraiab, M.S. & Patil, S.R. 1968 ; Dnyansagar, V.R. & Kothekar, V.S. 1978
!   Solanum nigrum L. Solanum nigrum L.   36, 40 Kumar, 1987 Rai, U.K. 1959b
!   Solanum nigrum L. Solanum nigrum L.   36, 72, 96, 144 Kumar, 1987 Jorgensen, C.A. 1928
!   Solanum nigrum L. Solanum nigrum L.   36, 72, 108 Kumar, 1987 Harn, C. 1972
!   Solanum nigrum L. Solanum nigrum L.   48 Kumar, 1987 Mitra, K. 1967; Rao, G.R., Khan, R. & Khan, A.K. 1971 ; Bir, S.S. & Sidhu, M. 1980
!   Solanum nigrum L. Solanum nigrum L.   48, 72 Kumar, 1987 Westergaard, M. 1948 ; Okabe, S. 1955; Dahlgren, R. et al. 1971 ; Gill, L.S. 1972
!   Solanum nigrum L. Solanum nigrum L.   54 Kumar, 1987 Labadie, J.P. 1976
!   Solanum nigrum L. Solanum nigrum L.   56 Kumar, 1987 Crompton, C.W. & Bassett, I.J. 1976
!   Solanum nigrum L. Solanum nigrum L.   72 Kumar, 1987 Winkler, H. 1910 ; Winge, O. 1925 Jorgensen, C.A. & Crane, M.B. 1927 ; Vilmorin, R. de & Simonet, M. 1927a, 1928 ; Hruby, K. 1932b ; Tischler, G. 1934 ; Tokunaga, K. 1934 ; Persidskii (Fedorov) ; Janaki Ammal, E.K. 1935 ; Nakamura, M. 1937 ; Rohweder, H. 1937 ; Stebbins, G.L. & Paddock, E.P. 1949; P6lya, L. 1950 ; Gottschalk, W. 1954a, b ; Love, A. 1954b ; Masubuchi, N. 1961 ; Mulligan, G.A. 1961a ; Skalinska, M. et al. 1964 ; Gadella, T.W.J. & Kliphuis, E. 1967 ; Gerasi- menko, I.I. & Reznikova, S.A. 1968 ; Van Loon, J.C. 1974; Khan, A.H. eta!. 1978 ; Rao, G.R. & Kumar, A. 1980
!   Solanum nigrum L. Solanum nigrum L.   72, 144 Kumar, 1987 Hruby, K. 1957
!   Solanum nigrum L. Solanum nigrum L.   144 Kumar, 1987 Winkler, H. (Fedorov)
!   Solanum nigrum L. Solanum nigrum L.   72 Kumar, 1987 Kumar, A. & Rao, G.R. 1979
!   Solanum nigrum (2. =. 7. X. O. (. =. 72) Solanum nigrum L.   72 Kumar, 1987 Kliphuis, E. & Wieffering, J.H. 1972
!   Solanum nigrum (2. =. 7. X. O. (. =. 72) Solanum nigrum L.   72 Kumar, 1987 Popova, M.T. & Cesllhmedjiev, T.V. 1978
  Solanum pseudoflavum Pojark. Solanum nigrum L.   24 Kumar, 1987 Krishnappa, D.G. 1968
  Solanum pseudoflavum Pojark. Solanum nigrum L.   48 Kumar, 1987 Gerasimenko, 1.1. & Reznikova, S.A. 1968
!   Solanum nigrum subsp. schultesii (Opiz) Wessely Solanum nigrum L.   72 C-values database Bennett MD, Smith JB. 1991. Nuclear DNA amounts in angiosperms. Philosophical Transactions of the Royal Society of London Series B-Biological Sciences 334: 309-345.
!   Solanum nigrum L. Solanum nigrum L. 36   Cave1956supp Gottschalk 1954a
  Solanum nigrum L. Solanum nigrum L. 36   Cave1958 Baylis 1958
!   Solanum nigrum L. Solanum nigrum L. 12   Cave1962 Nanda 1962
!   Solanum nigrum L. Solanum nigrum L. 12   Cave1963 Chuang et al. 1963
!   Solanum nigrum L. Solanum nigrum L. 12, 24, 36 24, 48, 72 Cave1963 Bez. & Bez. 1963