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Photographic gallery.  Thousands of particles under the microscope.
Sunflower (Helianthus annuus) Leaf Hair (Trichome) Under the Microscope

Helianthus annuus (Sunflower) Plant Hair

Both types of leaf hair and a few pollen grains are seen here.

Transmitted Circular Polarized Light Illumination

Definition/Function:

Helianthus annuus is the source of the common sunflower seeds.

Significance in the Environment:

Characteristic Features:

Associated Particles:

References:

Uphof, J.C. Th., Karl Hummel, and Karin Staesche, PLANT HAIRS, Gebruder Borntraeger, Berlin, p. 215, 1962.