Pollen Grain Collection

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

Dahlia flower pollen, SEM
Dahlia flower pollen. Coloured scanning electron micrograph (SEM) of a pollen grain (orange) from a Dahlia cultorum flower. A pollen grain contains a male sex cell from a flowering plant

Passion flower pollen, SEM
Passion flower pollen. Coloured scanning electron micrograph (SEM) of a passion flower (Passiflora caerulea) pollen grain. Pollen grains are the male gametes (sex cells) of a plant

Pine pollen grains, light micrograph
Pine pollen grains. Light micrograph of a section through winged pollen grains (microspores) from a pine (Pinus sp.) tree

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

Pollen on a bee leg, SEM
Pollen on a bee leg. Coloured scanning electron micrograph (SEM) of pollen grains (pale purple) on the leg of a bee (superfamily Apoidea). Pollen grains are the male sex cells of a flowering plant

Cyanobacteria, SEM
Cyanobacteria. Coloured scanning electron micrograph (SEM) of cyanobacteria (formally known as blue-green algae, blue). Several spores (pink) are also seen

Chickweed pollen grains, SEM
Chickweed pollen grains. Coloured scanning electron micrograph (SEM) of pollen grains (green) from a chickweed flower (Stellaria media)

Hellebore pollen, SEM
Hellebore (Helleborus sp.) pollen grains, coloured scanning electron micrograph (SEM). Magnification: x2000 when printed at 10 centimetres wide

Pollen tubes of lily pollen, SEM
Pollen tubes of lily pollen, coloured scanning electron micrograph (SEM). Two pollen grains (brown) have sprouted pollen tubes (orange)

Germinating lily pollen, SEM
Germinating lily pollen. Coloured scanning electron micrograph (SEM) of lily (Lilium sp.) pollen grains that have sprouted pollen tubes. Pollen contains the male sex cells of a plant

Allergens in trachea. Coloured scanning electron micrograph (SEM) of the surface of the trachea (windpipe) with a number of pollen grains (yellow) attached

Chickweed pollen grain, SEM
Chickweed pollen grain. Coloured scanning electron micrograph (SEM) of a pollen grain (green) from a chickweed flower (Stellaria media)

Bee foot claws, SEM
Bee foot claws, coloured scanning electron micrograph (SEM). These claws, on a bees fore legs, are used to comb pollen from the body and transfer it to the pollen baskets on the bees hind legs

Pollen form patterns in the Saggat Lake near the island of Arrenjarka, Kvikkjokk, Norrbotten County, Sweden

Model of pine pollen

Model of ragweed pollen

Bumble bee in the middle of flower

Spiderwort anther and pollen, SEM C017 / 1911
Spiderwort anther and pollen. Coloured scanning electron micrograph (SEM) of pollen grains (yellow) on hairs from the anther of a Spiderwort (Tradescantia sp.) flower

Household dust, SEM
Household dust, coloured scanning electron micrograph (SEM). Magnification: x130 when printed at 10 centimetres wide

Pollen grains, artwork F006 / 2419
Pollen grains, computer artwork

Pollen grains, artwork F006 / 2420
Pollen grains, computer artwork

Pollen grains, artwork F006 / 2418
Pollen grains, computer artwork

Pollen (Brugmansia heaven scent ) SEM
Brugmansia heaven scent pollen grain, coloured scanning electron micrograph (SEM). These large trumpet-like flowers are sometimes known as angels trumpets"

Pollen (Viburnum rhytidophyllum) SEM
Viburnum pollen grain. Scanning electron micrograph of a pollen grain of the plant Viburnum rhytidophyllum. This plant is very hardy and can tolerate temperatures as low as -15 degrees centigrade

Geranium pollen, SEM C015 / 9155
Geranium pollen. Coloured scanning electron micrograph (SEM) of pollen (pink) on the stamen of a geranium flower (Geranium sp.)

Pea flower pollination, SEM C016 / 0067
Pea flower pollination. Coloured scanning electron micrograph (SEM) of pollen grains (ovals) on the stigma of a garden pea flower (Pisum sativum)

Geranium pollen, SEM C015 / 9159
Geranium pollen. Coloured scanning electron micrograph (SEM) of a pollen grain (pink) on the stamen of a geranium flower (Geranium sp.)

Geranium pollen, SEM C015 / 9156
Geranium pollen. Coloured scanning electron micrograph (SEM) of pollen (pink) on the stamen of a geranium flower (Geranium sp.)

Pea flower pollination, SEM C016 / 0065
Pea flower pollination. Coloured scanning electron micrograph (SEM) of pollen grains (ovals) on the stigma of a garden pea flower (Pisum sativum)

Geranium pollen, SEM C015 / 9157
Geranium pollen. Coloured scanning electron micrograph (SEM) of pollen (pink) on the stamen of a geranium flower (Geranium sp.)

Geranium pollen, SEM C015 / 9158
Geranium pollen. Coloured scanning electron micrograph (SEM) of a pollen grain (pink) on the stamen of a geranium flower (Geranium sp.)

Pea flower pollination, SEM C016 / 0066
Pea flower pollination. Coloured scanning electron micrograph (SEM) of pollen grains (ovals) on the stigma of a garden pea flower (Pisum sativum)

Sunflower pollen grain, SEM C018 / 0310
Sunflower pollen grain. Coloured scanning electron micrograph (SEM) of a pollen grain from the sunflower (Helianthus annuus)

Iris pollen grains, SEM C018 / 0426
Iris pollen grains, coloured scanning electron micrograph (SEM). Pollen grains, containing the male sex cells (gametes), are reproductive structures produced by the male parts of flowering plants

Hazel pollen grains, SEM C018 / 0308
Hazel pollen grains, coloured scanning electron micrograph (SEM). Hazel pollen is distributed by the wind from catkins. The pollen is very small and light

Willow pollen grain, SEM C018 / 0425
Willow pollen grain, coloured scanning electron micrograph (SEM). Pollen grains, containing the male sex cells (gametes), are reproductive structures produced by the male parts of flowering plants

Sunflower pollen grains, SEM C018 / 0309
Sunflower pollen grains. Coloured scanning electron micrograph (SEM) of pollen grains from the sunflower (Helianthus annuus)

Iris pollen grains, SEM C018 / 0428
Iris pollen grains, coloured scanning electron micrograph (SEM). Pollen grains, containing the male sex cells (gametes), are reproductive structures produced by the male parts of flowering plants

Spiderwort anther and pollen, SEM C017 / 1910
Spiderwort anther and pollen. Coloured scanning electron micrograph (SEM) of hairs (blue) and pollen grains (red) on the anther of a Spiderwort (Tradescantia sp.) flower

Common Alder Tree Pollen SEM C014 / 2144
Alder tree pollen. Coloured scanning electron micrograph (SEM) of a pollen grains from an alder tree (Alnus glutinosa). A pollen grain contains a male sex cell from a flowering plant

Reproductive organs of a lily flower
Flower of the hybrid Tango lily Cappuccino showing the reproductive organs. Lilies are monocotyledonous plants with three-fold symmetry in the floral parts.The picture shows 6 anthers (orange)

Pollen cell structures, artwork
Pollen cell structures. Pollen grains are the male reproductive structures produced by flowering plants. They have a double wall (intine and exine)

Pollen grains, artwork
Pollen grains. Artwork of pollen grains from different flowers. The outer wall (exine) of each pollen grain is highly sculpted to aid their dispersal

Wind dispersal of pollen C015 / 5182
Wind dispersal of pollen. Million of pollen grains being dispersed on the wind

Thale cress anther and pollen. Confocal laser scanning micrograph of pollen grains (round) on a thale cress (Arabidopsis thaliana) anther

Pollen grain Passiflora alata (SEM) C013 / 7198
Pollen grain (Passiflora alata). Coloured scanning electron micrograph (SEM) of the pollen from Passiflora alata, native of the Amazon region of Brazil

Alder tree pollen grain, SEM
Alder tree pollen grain. Coloured scanning electron micrograph (SEM) of a pollen grain from an alder tree (Alnus glutinosa). A pollen grain contains a male sex cell from a flowering plant

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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.