Osmophores of the fragrant orchid Gymnadenia conopsea L. (Orchidaceae)

Osmophores of the fragrant orchid Gymnadenia conopsea L. (Orchidaceae)

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Osmophores of Gymnadenia conopsea are located on the adaxial surface of labellum Hair Colour Remover and on distal parts of two lateral sepals.Osmophore cells are characterised with a large nucleus, and dense, granular cytoplasm, which contains numerous membranes of ER and large lipid droplets.Plastids are probably involved in the synthesis of fragrant substances and, contrary to the most of investigated orchid species, Fan Control Board they do not contain starch.

Numerous secretory vesicles take part in the secretion.Secreted fragrant substance migrates across the cell wall and through the pores in the cuticle.It is not accumulated on the osmophore cell surface.