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Numerical Taxonomy of some members of Acanthoideae sensu Scotland and Vollesen (Acanthaceae) from North 24 Parganas District, West Bengal, India based on Gross Morphology and Pollen Characters

Author Affiliations

  • 1Post Graduate Department of Botany, Barasat Govt. College, Barasat, Kolkata- 700124, West Bengal, INDIA

Int. Res. J. Biological Sci., Volume 4, Issue (6), Pages 48-55, June,10 (2015)

Abstract

Some members of Acanthoideae sensu Scotland and Vollesen from North 24 Parganas District, West Bengal, India have been classified following numerical taxonomic approach. Numerical taxonomic approach on Acanthoideae is rare. A total of 64 binary characters obtained from gross morphology and pollen morphology have been used for cluster analysis. Cluster analysis result shows remarkable differences of sub-tribal classification of Acanthoideae with that of previous phylogentic schemes. Besides Barleriinae no precise distinctions of Ruelliinae, Justiciinae and Andrographiinae are observed. Interestingly Phaulopsis-Rungia phenon has scored higher similarity value than the phenon of two species of same genus, i.e. Justicia adhatoda–J. gendarussa phenon. Finally two separate artificial keys are provided for identification purpose.

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