Sunflower (Helianthus annuus) Leaf Hair (Trichome) Under the Microscope

Helianthus annuus (Sunflower) Plant Hair

The pointed multicellular cystolithic hair (center) shows both the attachment termination and the pointed distal termination. The particle on the upper left is a fern sporangium.

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.