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Cytological observations on some species ofPteris L. from Kumaon (northwest Himalaya)

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Proceedings / Indian Academy of Sciences

Abstract

The paper deals with the cytology of 10 taxa of 8 species of the genusPteris L. from Kumaon in northwest Himalaya.Pteris biaurita andPteris dactylina are apogamous triploids (n=87),Pteris excelsa andPteris quadriaurita are sexual diploids (n=29), whereasPteris vittata is a sexual tetraploid (n=58) andPteris stenophylla is an apogamous diploid (n=58).Pteris cretica is represented by diploid (n=58) and triploid (n=87) apogamous races.Pteris wallichiana is normally sexual diploid (n=29) but an apogamous diploid (n=58) form from this area is a new record. Sexual mode of reproduction is observed in 40% taxa whereas 60% are apogamous.

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Authors and Affiliations

  1. Department of Botany, Government P G College, 262 501, Pithoragarh, India

    N Punetha & Abha Sen

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  1. N Punetha
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  2. Abha Sen
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Punetha, N., Sen, A. Cytological observations on some species ofPteris L. from Kumaon (northwest Himalaya). Proc. Indian Acad. Sci. 99, 131–134 (1989). https://doi.org/10.1007/BF03053525

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  • DOI: https://doi.org/10.1007/BF03053525

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