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Pollen grains from a variety of plants. Pollen grain size, shape and surface texture differ from one plant species to another. The pollen grains contain a male gamete (reproductive cell) that is intended to fertilise an egg or ovule (female gamete). This will initiate the formation of a seed for a new plant. Coloured scanning electron micrograph (SEM), magnified x250 when printed at 10cm wide.

Colorful seamless pattern with Crystal stones.

Kapok blossom bombax ceiba red flower stamen macro

plant Tilia Stem C.S. under light mircoscope with white background

Macro photo of Australian native Kangaroo Paw- Anigozanthos 'Landscape Gold'.

$Born and raised in the countryside without any cultural treatment. The seed spread by birds or the wind does not choose a place to be born. Even on the roofs of rural houses you can see mandacaru trees. Growth depends on the nutrients in the soil in which it germinates. The typical species of the caatinga biome can reach five to six meters in height. Adapted to living in a dry climate, with reduced amounts of water, its leaves have turned into thorns, which end up being defense elements against herbivorous animals.\nIts roots are responsible for capturing water from the water table. The stem or columnar trunk serves as a support axis and its central part, the core, contains vessels that carry water and other substances vital to the plant. Lateral to the stem, there are faceted articulated pieces whose morphology resembles a large candlestick with several branches. The external part, whether of the trunk or lateral shoots, is protected by a thick cuticle that prevents excessive water loss through transpiration. The flowers of this species of cactus are white, very beautiful and measure approximately twelve centimeters in length. They bloom at night and wither at sunrise. They feed the bees, especially the arapuã. Its fruits have a strong violet color, an ellipsoid shape, reaching fifteen centimeters in length and twelve centimeters in diameter, on average. The pulp is white with tiny black seeds, which serve as food for several typical caatinga birds.$

Close up on Mushroom Leucocoprinus birnbaumii

Pollen is a powdery substance produced by most types of flowers of seed plants for the purpose of sexual reproduction. It consists of pollen grains (highly reduced microgametophytes), which produce male gametes (sperm cells). Pollen grains have a hard coat made of sporopollenin that protects the gametophytes during the process of their movement from the stamens to the pistil of flowering plants, or from the male cone to the female cone of gymnosperms.

Pollen grains within a Stellaria graminea anther. The anther is the pollen-bearing body of the stamen, which is the male part of flowering plants. S. graminea is a species of flowering plant in the Caryophyllaceae family, known commonly as lesser stitchwort and grass-like starwort. The herb is a common plant of waysides, hedgerows and open woodlands. Coloured scanning electron micrograph (SEM), magnified x200 when printed at 10cm wide.

Snowdrop flower interior, fully blooming, wide angle macro lens shoot. gossamer light

Pollen grains with pollen tube. Optical microscope, dark background. Magnification X100.

Green echinops flowers background. View from above. Color of the year 2020 Classic Blue toned.

A macro photography of the inside of a purple tulip

Pollen grains from the flowering herbaceous plant Cosmos bipinnatus, known commonly as garden cosmos or Mexican aster. The pollen grains contain a male gamete (reproductive cell) that is intended to fertilise an egg or ovule (female gamete). This will initiate the formation of a seed for a new plant. Coloured scanning electron micrograph (SEM), magnified x2000 when printed at 10cm wide.

close up of a retail display of a large bunch of craspedia for sale at a stall at the farmer's market in Santa Monica, CA

Blossom of a Haemanthus albiflos (Amaryllidaceae) - Elefantenohr.

Digitally painted on Tablet, Pixelated Planets, Abstract Background

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