Cytological Studies of Some Helobiales of Kashmir Himalayas 1. Family Alismataceae

P. N. Mehra, T. K. Pandita

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


The present communication deals with male meiosis and karyotypic analysis in five species of the two genera, Alisma and Sagittaria. the course of meiosis was investigated with great difficulty because of stickiness of chromosomes. Alisma plantago-aquatica and A. gramineum posssess n=7 chromosomes with 5 chromosome pairs belonging to median-submedian category and 2 pairs to terminal category, while A. lanceolatum is at the tetraploid level with n = 13. Both the species of Sagittaria sagittifolia and S. guayanensis possess a haploid number of n=ll chromosomes of which only 1 chromosome is of the median category whereas the other 10 belong to subterminal category. Karyotype evolution in the different taxa is discussed.

Original languageEnglish (US)
Pages (from-to)295-304
Number of pages10
Issue number2
StatePublished - Jan 1984

ASJC Scopus subject areas

  • Animal Science and Zoology
  • Genetics
  • Plant Science
  • Cell Biology


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