Pollen Grain Collection (page 5)

Cucumber pollen, SEM
Cucumber pollen. Coloured scanning electron micrograph (SEM) of pollen grains (green) from a cucumber plant (Cucumis sativus)

Zinnia flower pistil and pollen, SEM
Zinnia flower pistil and pollen. Coloured scanning electron micrograph (SEM) of a Zinnia sp. flower pistil (green) and pollen grains (yellow). Pistils hold a plants female reproductive structures

Pea flower pollination, SEM
Pea flower pollination. Coloured scanning electron micrograph (SEM) of pollen grains (yellow) on the stigma (green) of a garden pea flower (Pisum sativum)

Evening primrose pollen, SEM
Evening primrose pollen. Coloured scanning electron micrograph (SEM) of evening primrose (Oenothera biennis) pollen grains. Pollen grains are the male gametes (sex cells) of a plant

Melon pollen, SEM
Melon pollen. Coloured scanning electron micrograph (SEM) of melon (Cucumis melo) pollen grains. Pollen grains are the male gametes (sex cells) of a plant

Wild strawberry stamens, SEM
Wild strawberry stamens. Coloured scanning electron micrograph (SEM) of the stamens of the flower of a wild strawberry (Fragaria vesca), showing pollen grains (yellow)

Pollen of an azalea, SEM
Pollen. Coloured scanning electron micrograph (SEM) of pollen grains from an azalea flower (Rhododendron sp.). Pollen grains contain a plants male gametes

Geranium pollen, SEM
Geranium pollen. Coloured scanning electron micrograph (SEM) of pollen (pink) on the stamen of a geranium flower (Geranium sp.)

Cedar pollen, SEM
Cedar pollen. Coloured scanning electron micrograph (SEM) of pollen grains from a cedar tree. The characteristic outer wall, or exine

Morning glory pollen grains, SEM
Morning glory pollen grains. Coloured scanning electron micrograph (SEM) of pollen grains from a morning glory flower (Ipomoea sp.)

Periwinkle flower pollination, SEM
Periwinkle flower pollination. Coloured scanning electron micrograph (SEM) of a grain of pollen (lower left) on the stigma of a periwinkle flower (family Apocynaceae)

Primrose pollen, SEM
Primrose pollen. Coloured scanning electron micrograph (SEM) of pollen grains (pink) from a primrose flower (Primula vulgaris)

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"Exploring the Intricate World of Pollen Grains: A Captivating SEM Journey" Step into the fascinating realm of pollen grains, where beauty and science intertwine. Through scanning electron microscopy (SEM), we unveil the hidden wonders of various pollen types, each with its unique structure and purpose. Let's begin our journey with a close-up view of Geranium anther pollen under SEM. The intricate patterns and delicate features reveal nature's meticulous craftsmanship at play. Moving on to Dahlia flower pollen, SEM reveals stunningly sculpted grains that resemble tiny works of art. Their textured surfaces hold secrets waiting to be unraveled. Next up is Passion flower pollen, captured in extraordinary detail by SEM. Its distinct shape and surface ornamentation showcase nature's diversity in design. Shifting our focus to Pine pollen grains through a light micrograph, we witness their spherical forms adorned with spiky projections – a testament to their adaptation for wind dispersal. Returning to SEM imagery, Geranium pollen takes center stage once more. Zooming in reveals its intricately patterned exine layer, serving as protection during pollination journeys. A captivating sight awaits us as we observe Pollen on a bee leg through SEM imaging. These tiny particles cling onto the fuzzy surface like precious cargo carried from one bloom to another – essential for plant reproduction. Diving deeper into microscopic wonders, Cyanobacteria come into view under SEM. While not traditional plant pollens, they too contribute significantly to Earth's ecosystems and deserve admiration for their role in nitrogen fixation. Chickweed pollen grains take center stage next - meticulously detailed structures resembling miniature spheres adorned with fine ridges that hint at their evolutionary adaptations for successful pollination strategies. Hellebore pollen mesmerizes us next as it showcases its unique characteristics under SEM scrutiny - intriguing shapes coupled with finely etched textures make this grain stand out among others in the botanical world. Pollen tubes steal the spotlight as SEM reveals their intricate network within lily pollen.