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Title 

Phylogeny and systematics of Indian Polygonum sensu lato in the subfamily Polygonoideae based on ITS sequences of nuclear ribosomal DNA

Authors 

R K ChoudharySang-Hong ParkJoongku Lee

Publisher 

FUNPEC

Issue Date 

2012

Citation 

Genetics and Molecular Research, vol. 11, no. 4, pp. 4370-4382

Abstract 

The nuclear ribosomal DNA internal transcribed spacer (ITS) sequences from 44 Indian Polygonum taxa were examined to investigate relationships among various sections proposed by earlier researchers. The maximum parsimony trees obtained from analysis of the ITS sequences suggested eight major groups of the Indian Polygonum spp. The relationships among different sections were largely congruent with those inferred from morphological characters as described by Hooker. Also, the treatment of the Persicaria suggested by Haraldson on the basis of anatomical characters proved to be nearly in line with that based on our molecular data. We provide a high resolution of phylogeny of the Himalayan Polygonum sensu lato and support merger of the section Amblygonon in the section Persicaria. Moreover, we made the first phylogenetic analysis of many of the less known Himalayan Polygonums, including Polygonum microcephalum, P. assamicum, P. recumbens, and P. effusum. Molecular differences were detected among Persicaria barbata collected from different geographical locations of India, although these were not differentiated at the morphological level.

ISSN 

1676-5680

Link 

http://dx.doi.org/10.4238/2012.October.4.1

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2019-05-02


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