Plagiochila parvivittata Inoue var. siangensis var. nov. (Plagiochilaceae, Marchantiophyta) from Arunachal Pradesh, India

Authors

  • Siddhartha Singh Deo Botanical Survey of India, Kolkata
  • Devendra Kumar Singh Botanical Survey of India, Kolkata

DOI:

https://doi.org/10.14719/pst.2016.3.1.185

Keywords:

Plagiochila parvivittata Inoue var. siangensis, Arunachal Pradesh, Eastern Himalaya, India, new variety

Abstract

Plagiochila parvivittata Inoue var. siangensis var. nov. is described from West Siang district in Arunachal Pradesh, Eastern Himalaya, India. The new taxon differs from the typical variety in larger length/breadth ratio of leaves with fewer marginal teeth, (0-) 2–3 teeth along the dorsal margin of leaves near apex, terminal cell of marginal teeth 4–12 (-18) times longer than wide and a very distinct vitta area with the cells measuring 75–114 × 15–21 ?m in size.

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Author Biographies

Siddhartha Singh Deo, Botanical Survey of India, Kolkata

Senior Project Fellow

Devendra Kumar Singh, Botanical Survey of India, Kolkata

Scientist G (Retired)

Botanical Survey of India

References

Grolle, R. and M.L. So. 1997. Studies on Plagiochila in China I. Bryologist 100(4): 467−477. doi: 10.1639/0007-2745(1997)100[467:SOPICI]2.0.CO;2

Grolle, R. and M.L. So. 1998. Plagiochila caulimammillosa, a peculiar species from Yunnan, China. J. Bryol. 20: 41−49.

Grolle, R. and M.L. So. 1999. On the Plagiochila species of Sect. Zonatae with Paraphyllia or Mammillose Stems (Hepaticae). Syst. Bot. 24(3): 297–310. doi: 10.2307/2419690

Inoue, H. 1987. Contributions to the knowledge of the Plagiochilaceae of southeastern Asia. XX. Studies on collections made by Dr. D. G. Long in Bhutan. Bull. Natl. Sci. Mus., Tokyo, B., Ser. B, Bot. 13(2): 41−51.

Pradhan, N. and S.D. Joshi. 2009. Liverworts and hornworts of Nepal: a synopsis. Botanica Orientalis – J. Pl. Sci. 6: 69–75.

Singh, D. and D.K. Singh. 2011. Plagiochila hyalodermica Grolle & M.L.So (Marchantiophyta: Plagiochilaceae) - an addition to indian bryoflora. Indian J. Forest. 34(4): 465−468.

So, M.L. 2001. Plagiochila (Hepaticae, Plagiochilaceae) in China. Syst. Bot. Monogr. 60: 1–214. doi: 10.2307/25027887.

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Published

25-03-2016

How to Cite

1.
Singh Deo S, Singh DK. Plagiochila parvivittata Inoue var. siangensis var. nov. (Plagiochilaceae, Marchantiophyta) from Arunachal Pradesh, India. Plant Sci. Today [Internet]. 2016 Mar. 25 [cited 2024 Nov. 4];3(1):63-7. Available from: https://horizonepublishing.com/journals/index.php/PST/article/view/185

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Section

Research communications