f0241242

f0241242

Verbena pollen. Coloured scanning electron micrograph (SEM) of pollen grains from verbena bonariensis. Verbena bonariensis is a tall, slender-stemmed perennial. Pollen grains are the male sex cells of a flowering plant. Their characteristic surface is used by botanists to recognise and classify plants. Pollen in plants is used for transferring male genetic material from the anther of a single flower to the stigma of another in cross-pollination. In a case of self-pollination, this process takes place from the anther of a flower to the stigma of the same flower. Magnification x 500 at 10cm wide. (Photo by: SCIENCE PHOTO LIBRARY via AP Images)

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19065434474297
Royalty-Free (RF)
March 06, 2019 07:04:07 AM
March 06, 2019 12:08:53 PM
STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY
SCIPHO
ASSOCIATED PRESS
Royalty-free photography. Special rates may apply. Please contact your AP representative with questions.
4572 x 3933 3.29 MB
ANGIOSPERM, ANGIOSPERMS, BIOLOGICAL, BIOLOGY, BOTANICAL, BOTANY, CELL, COLORED, COLOURED, EXINE, FALSE-COLORED, FALSE-COLOURED, FLORA, GAMETE, GAMETES, GRAIN, GRAINS, MALE, NATURE, OUTER, WALL, POLLEN, POLLINATION., REPRODUCTION, REPRODUCTIVE, STRUCTURE, SCANNING, ELECTRON, MICROGRAPH, MICROSCOPE, SEM, SEX, SINGLE, HAY, FEVER, ALLERGIC, ALLERGY, VERBENA, BONARIENSIS
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CTR

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