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Anatomy, palynology and floral diversity of the genus lamium l. (lamiaceae) in Turkey
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index.pdf
Date
2016
Author
Atalay, Zeynep
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Lamium L. is the type genus of subfamily Lamioideae and the family Lamiaceae. Due to the absence of recognizable morphological characters, circumscription of the genus has undergone many changes through time. Turkey is the main biodiversity center of the genus with 36 taxa, 18 of which are endemic. Even though many genera in the subfamiliy Lamioideae have been subjected to various anatomical and micromorphological studies, a comprehensive investigation of the genus Lamium is still lacking. In the first part of this study, the anatomical (root, stem, leaf and petiole) and micromorphological (trichome and pollen morphology) characteristics of the Lamium species in Turkey are presented and their taxonomic implications are discussed. Together with gross morphology, such anatomical and micromorphological characters are proved to be taxonomically informative in the delimitation of certain infrageneric taxa. In the second part of this study, pollination biology and floral diversity of bee pollinated Lamium species; including Lamium villosifolium and L. album subsp. crinitum, which grow sympatrically in Isik Mountain, Kizilcahamam, were investigated. Two Lamium species are clearly adapted to pollination by Apiodea. Field and laboratory investigations revealed that co-occuring Lamium species are isolated from each other on the basis of morphological, mechanical and altitudinal aspects. The diversity of floral constructions increases the mechanical isolation by attracting different pollinators and by loading pollen on different parts of pollinator`s bodies. Change in the plant population density along the altitudinal gradient clearly triggered the pollinator assemblage variation.
Subject Keywords
Lamium.
,
Lamiaceae.
,
Plant diversity.
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http://etd.lib.metu.edu.tr/upload/12619783/index.pdf
https://hdl.handle.net/11511/25477
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Graduate School of Natural and Applied Sciences, Thesis
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Z. Atalay, “Anatomy, palynology and floral diversity of the genus lamium l. (lamiaceae) in Turkey,” Ph.D. - Doctoral Program, Middle East Technical University, 2016.