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COMPARATIVE ANATOMICAL INVESTIGATIONS ON SIX ENDEMIC TANACETUM (ASTERACEAE) TAXA FROM TURKEY

Date

2016

Author

Tekin, Mehmet
Kartal, Ciler

Metadata

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Abstract

Tanacetum is one of the large genera, belonging to the Anthemideae tribe of Asteraceae family and has numerous medicinal plants and widely usage in folk medicine. In this study, anatomical features of six endemic species to Turkey viz. Tanacetum albipannosum, T argenteum subsp. argenteum, T cappadocicum, T densum subsp. sivasicum, T haussknechtii and T heterotomum, were investigated for the first time. The specimens were collected from their natural habitats in Sivas province (Turkey). Transverse sections of root, stem, petiole and leaflet were observed under light microscope for various anatomical features. The results showed that, root included periderm in the outer. There were parenchymatous cortex, endodermis and pericycle under the periderm respectively. Primary xylem ridges were triarch in T albipannosum, T densum subsp. sivasicum, T haussknechtii and T heterotomum, pentarch in T cappadocicum and hexarch in T. argenteum subsp. argenteum, and pith was filled with xylem elements. Stem was made up epidermis, parenchymatous cortex, endodermis, vascular bundles and parenchymatous pith from exterior to interior. T heterotomum had a cavity formed by the disintegration of the cells in the center. The amphistomatic leaflets had a single layered epidermis with usually silvery or whitish tomentose indumentum and equifacial mesophyll. Stomata are anomocytic. There were significant difference among examined taxa in respect to contour of petiole, structure of cortex parenchyma and organization of vascular bundles. The anatomical characteristic features of petiole proved to be a useful tool for the taxonomic discrimination of the six studied taxa.

Source

PAKISTAN JOURNAL OF BOTANY

Volume

48

Issue

4

URI

https://hdl.handle.net/20.500.12418/7229

Collections

  • Makale Koleksiyonu [5200]
  • Öksüz Yayınlar Koleksiyonu - WoS [6175]



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