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Marsh marigold flower bud

Marsh marigold flower bud

C003/5847

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Credit

DR KEITH WHEELER / SCIENCE PHOTO LIBRARY DR KEITH WHEELER / SCIENCE PHOTO LIBRARY

Caption

Marsh marigold flower bud. Light micrograph of a cross-section through the anther of an immature marsh marigold (Caltha palustris) flower bud. The anther consists of four pollen sacs (microsporangia) connected in the centre by stamen filament tissue. The young developing anthers have an anther wall (deep red) lining the sac, the tapetum. The blue cells in the centre of the anther sac are microspore mother cells, which eventually develop into the pollen grains. Magnification: x100 when printed 10 centimetres wide.

Release details

Model release not available. Property release not required.

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