Foliar micromorphology as a tool for identification of Indian taxa of Polygonaceae

Polygonaceae, a morphologically diverse family, cosmopolite to temperate region. In India, the family has extensive array of distribution from the coastal plains to the subtropical temperate region and almost to the subalpine regions. Polygonaceae has a very restricted flowering and fruiting period,...

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Autores principales:	Payel Paul, Monoranjan Chowdhury
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Lamina architecture LM Stomata Taxonomic delimitation Trichome Ecology QH540-549.5
Acceso en línea:	https://doaj.org/article/ece25016ffa4495393054a876db6590d
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spelling	oai:doaj.org-article:ece25016ffa4495393054a876db6590d2021-11-28T04:32:44ZFoliar micromorphology as a tool for identification of Indian taxa of Polygonaceae2287-884X10.1016/j.japb.2021.05.008https://doaj.org/article/ece25016ffa4495393054a876db6590d2021-12-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2287884X2100056Xhttps://doaj.org/toc/2287-884XPolygonaceae, a morphologically diverse family, cosmopolite to temperate region. In India, the family has extensive array of distribution from the coastal plains to the subtropical temperate region and almost to the subalpine regions. Polygonaceae has a very restricted flowering and fruiting period, limiting over proper identification using floral characters. This study attempts to identify the members of Indian Polygonaceae based on permanent and stable foliar morphological characters. Most of the taxa displayed microphyllous, unlobed lamina with erose margin, except Rheum nobile (macrophyllous), Polygonum runcinatum (lobed lamina). Parameters like lamina shape, shape and angle of apex and base showed significant macromorphological variations. Three different types of indumentum viz. peltate, capitate spheroidal and stellate glandular and minor venation pattern pulls significant differences. Four major stomatal types were detected viz. anisocytic, anomocytic, paracytic and pericytic, with more than one type in a single taxon. Statistical based infra generic observation identified four distinct principal component analysis (PCA) clusters separating the members of Persicaria, Polygonum, Rumex and Fagopyrum, whereas Fallopia, Rheum, Antigonon, Homalocladium were scatteredly distributed in the matrix scoring plot of PCA. Species distributional matrix of PCA was fully supported by agglomerative hierarchical clustering. The analyzed significant systematic values are quite constant at specific and/or below rank.Payel PaulMonoranjan ChowdhuryElsevierarticleLamina architectureLMStomataTaxonomic delimitationTrichomeEcologyQH540-549.5ENJournal of Asia-Pacific Biodiversity, Vol 14, Iss 4, Pp 569-589 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Lamina architecture LM Stomata Taxonomic delimitation Trichome Ecology QH540-549.5
spellingShingle	Lamina architecture LM Stomata Taxonomic delimitation Trichome Ecology QH540-549.5 Payel Paul Monoranjan Chowdhury Foliar micromorphology as a tool for identification of Indian taxa of Polygonaceae
description	Polygonaceae, a morphologically diverse family, cosmopolite to temperate region. In India, the family has extensive array of distribution from the coastal plains to the subtropical temperate region and almost to the subalpine regions. Polygonaceae has a very restricted flowering and fruiting period, limiting over proper identification using floral characters. This study attempts to identify the members of Indian Polygonaceae based on permanent and stable foliar morphological characters. Most of the taxa displayed microphyllous, unlobed lamina with erose margin, except Rheum nobile (macrophyllous), Polygonum runcinatum (lobed lamina). Parameters like lamina shape, shape and angle of apex and base showed significant macromorphological variations. Three different types of indumentum viz. peltate, capitate spheroidal and stellate glandular and minor venation pattern pulls significant differences. Four major stomatal types were detected viz. anisocytic, anomocytic, paracytic and pericytic, with more than one type in a single taxon. Statistical based infra generic observation identified four distinct principal component analysis (PCA) clusters separating the members of Persicaria, Polygonum, Rumex and Fagopyrum, whereas Fallopia, Rheum, Antigonon, Homalocladium were scatteredly distributed in the matrix scoring plot of PCA. Species distributional matrix of PCA was fully supported by agglomerative hierarchical clustering. The analyzed significant systematic values are quite constant at specific and/or below rank.
format	article
author	Payel Paul Monoranjan Chowdhury
author_facet	Payel Paul Monoranjan Chowdhury
author_sort	Payel Paul
title	Foliar micromorphology as a tool for identification of Indian taxa of Polygonaceae
title_short	Foliar micromorphology as a tool for identification of Indian taxa of Polygonaceae
title_full	Foliar micromorphology as a tool for identification of Indian taxa of Polygonaceae
title_fullStr	Foliar micromorphology as a tool for identification of Indian taxa of Polygonaceae
title_full_unstemmed	Foliar micromorphology as a tool for identification of Indian taxa of Polygonaceae
title_sort	foliar micromorphology as a tool for identification of indian taxa of polygonaceae
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/ece25016ffa4495393054a876db6590d
work_keys_str_mv	AT payelpaul foliarmicromorphologyasatoolforidentificationofindiantaxaofpolygonaceae AT monoranjanchowdhury foliarmicromorphologyasatoolforidentificationofindiantaxaofpolygonaceae
_version_	1718408354060042240

Foliar micromorphology as a tool for identification of Indian taxa of Polygonaceae

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