Tricolporate pollen of rose flower

Tricolporate pollen of rose flower

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This image is part of the feature Rose Under The Microscope

Credit: POWER AND SYRED/SCIENCE PHOTO LIBRARY

Caption: Rose pollen. Coloured scanning electron micrograph (SEM) of tricolporate pollen grains of a Garden Rose, Rosa sp. Pollen grains are the male sexual spores that are discharged from the male part of the flower. They contain the gamete that ferti- lizes the female ovule to form a seed. Pollen grains are classified according to a number of features: pores (porate), furrows (colpate), or both (colporate). Rose pollen has three furrows from each of which protrudes a bulge or pore (as seen here). They are thus "tricolporate". Rose plants are insect pollinated, relying on insects to carry the pollen to the female flower structures. Magnification: x1,000 at 5x7cm size. Magnification: x2000 at 11x16cm size.

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Keywords: botany, exine, nature, plant, plants, pollen, pollen grain wall, reproduction, reproductive, rosa sp., rose, tricolporate, tricolporate pollen, type

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