Coloured SEM of Timothy grass pollen

Coloured SEM of Timothy grass pollen

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Caption: Coloured scanning electron micrograph of a single pollen grain from Timothy grass, Phleum pratense. This specimen is seen here in a dessicated form. It would appear spherical if seen in situ on the plant's anther. The wind- borne pollen of the Timothy grass is known to cause hay fever. Magnification: x800 at 6x6cm size.

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Keywords: allergy, botany, cause, grass, hay fever, hayfever, nature, phleum pratense, plant, plants, pollen, reproduction, reproductive, sem, timothy, timothy grass

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