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Altitudinal variation in flower color and attraction pattern of Rhododendron arboreum Sm. in central Himalayan Region of Uttarakhand, India

In: Israel Journal of Plant Sciences
Author: Akshay Mamgain1
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  • 1 From the Department of Botany, Faculty of Science, University of Delhi (North Campus), Delhi, 110007, India
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Abstract

This study highlights the importance of flower color variation and attraction as a mechanism for pollination and protection of floral parts. As part of this study, a survey relating to flower color variation and differences in spotting pattern (nectar guides) was conducted on Rhododendron arboreum, a widespread tree species in the mountainous region of Uttarakhand state, at 43 different altitudinal locations. Seven original color morphs of flowers and five types of spot variation in the nectar guide were observed. The study underlines the role of flower color polymorphism in both pollination and adaptation to varied environmental conditions. Further, the significance of nectar guides in directing the visitor to the reward is discussed. This study has the potential to enhance existing knowledge about flower color variation and attraction to the environment.

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