Scanning electron microscope image of sunflower lower leaf surface. This is part of an image series containing images CIL:39341-39343, and 39345.

Scanning electron micrograph of Helianthus annuus (Sunflower) pollen. These specimens have been acetolyzed to remove cytoplasm and pollenkit in order to reveal the intricate wall structure. This is pa...

Scanning electron microscope image of sunflower lower leaf surface where a vein is located. This is part of an image series containing images CIL:39341-39343, and 39345.

Scanning electron microscope image of Helianthus annuus (sunflower) stem epidermal surface, showing a trichome (finger-like projection) and a stomata (pore used for gas exchange). This image is part ...

Scanning electron microscope image of cross-section through Helianthus annuus (sunflower) stem. The image shows the outer epidermal layer, followed by the cortex and then large vascular bundles. The v...

Scanning electron microscope image of a cross-section through a Helianthus annuus (sunflower) vascular bundle, showing the vascular cambium between the phloem and xylem. This image is part of a group ...

Scanning electron microscope image of sunflower lower leaf surface. Note the numerous stomata, which are pores used for gas exchange. A larger magnification view of a single stomata can be found in ...

Scanning electron micrograph of Helianthus annuus (Sunflower) pollen. These specimens have been acetolyzed to remove cytoplasm and pollenkit in order to reveal the intricate wall structure. This is pa...

Scanning electron microscope image of sunflower lower leaf surface. Note the stomata (pore used for gas exchange) near the center of the image. This is part of an image series containing images CIL:...

Scanning electron micrograph of Helianthus annuus (Sunflower) pollen. These specimens have been acetolyzed to remove cytoplasm and pollenkit in order to reveal the intricate wall structure. This is pa...