Plant & Cell Physiology
2017 vol58 (12)
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In this issue, Maiti and Mitra (pp. 2095–2111) assess the connections between the localization of floral scent volatiles, their subsequent emission, and the prior ultrastructural changes to the tepal cells in a widely cultivated floricultural crop, Polianthes tuberosa (tuberose). Using a combination of physiological and cell biology techniques, the authors provide evidence that floral stomata located mostly in the adaxial surface of the petaloid-tepal are involved in the release of scent volatiles, and that their elevated appearance could be a specialized modification of vegetative stomata for efficient scent emission. Collectively, these data provide a more holistic view of floral scent emission in plants.
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