Peppermint oil glands (Mentha piperita)

Ref: 80014774

Coloured scanning electron micrograph (SEM) of the surface of a corolla petal from the peppermint plant (Mentha piperita), showing oil (yellow) above its oil glands.

Magnification: x210 at 5x7cm size. x525 at 5x7 inch size.
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