Reproductive Collection (page 19)

White pine (Pinus strobus) cones. Photographed in Maryland, USA

Love in the mist flower (Nigella sp. )
Love in the mist flower (Nigella sp.). The seeds of the plant, known as black cumin, are used as a spice in cookery and also medicinally as a diuretic

Primula polyanthus Hose in Hose
Polyanthus flowers (Primula polyanthus Hose in Hose ). Part of the flower has been cut away to show detail of the inside

Schlumbergera bridgesii
Christmas cactus flowers (Schlumbergera bridgesii). This cactus is found in the Organ Mountain forests, north of Rio de Janeiro, Brazil. It is cultivated in Europe as a Christmas plant

Sessile oak (Quercus petraea)
Sessile oak tree (Quercus petraea) laden with acorns

Mixed heather

Pansy flower, SEM
Pansy flower reproductive parts. Coloured scanning electron micrograph (SEM) of reproductive parts from the flower of a pansy (Viola sp.) plant

Leonardo da Vincis oak leaves and acorns
Oak leaves and acorns. Historical artwork of the leaves and fruit (acorns) of the oak tree (Quercus robur). Also seen at left are the leaves and pods of the Dyers woad plant (Isatis tinctoria)

Organic tomatoes (Lycopersicon esculentum) ripening on a vine

Sunflower pollination, SEM
Sunflower pollination. Coloured scanning electron micrograph (SEM) of pollen on a stigma of a sunflower plant (Helianthus sp.)

Trifoliate orange (Poncirus trifoliata)
Trifoliate orange fruits (Poncirus trifoliata) on their tree. This plant is closely related to Citrus, and is used as a rootstock for Citrus grafts

Field pennycress seed pod
Seed pod of the field pennycress, Thlaspi arvense. The dark seeds can be seen through the seed pod. Pennycress is considered an agricultural crop weed that grows on waste ground

Sweet pea flower pollination, SEM
Sweet pea pollination. Coloured scanning electron micrograph (SEM) of pollen grains (yellow) on the stigma (green) of a sweet pea flower (Lathyrus odoratus)

Guiacum sanctum fruit
Guiacum fruit (Guiacum sanctum). Photographed in Florida, USA

Apple (Malus Mary Charlton ) on its tree

Arum plant spadix, light micrograph
Arum plant spadix. Light micrograph of a vertical section through the lower part of the spadix from a lords and ladies (Arum maculatum), or cuckoo pint, plant

Pollen grains, computer artwork
Pollen grains. Computer artwork of pollen grains from a flower. The outer wall (exine) of each pollen grain is highly sculpted to aid the dispersal of the pollen grains

Pollen of Marsh Woundwort flower
False colour scanning electron micrograph of pollen grains of a Marsh Woundwort. The outer walls (exine) have a netted ornamentation

Mimosa flowers, SEM
Mimosa flower stamens. Coloured scanning electron micrograph (SEM) of flowers and stamens of Mimosa sp. plants. Many stamens (male reproductive parts) are seen

Common pollen beetles feeding
Common pollen beetles (Meligethes aeneus) feeding on pollen from a dog rose flower (Rosa canina)

Pollen grain, SEM

Azalea pollen on a pistil, SEM
Azalea pollen. Coloured scanning electron micrograph (SEM) of pollen of an Azalea on a flower pistil. Pollen contains the male sex cells of a plant

Cucumber pollen grains, SEM
Cucumber pollen grains. Coloured scanning electron micrograph (SEM) of pollen grains of the cucumber plant (Cucumis sativus). Pollen grains vary between species in size, shape and surface texture

Scabious seed, SEM
Scabious seed. Coloured scanning electron micrograph (SEM) of a seed from a scabious flower (Scabiosa sp.). A seed contains an embryo (a fertilised ovule from which a new plant can grow)

Pollen grain of the passion flower
False-colour scanning electron micrograph (SEM) of a pollen grain of the passion flower, Passiflora caerulea. The spherical grain has a diameter of 50 micrometres & looks rather like a tennis ball

Sessile oak acorns (Quercus petrea) and leaves. Photographed in October

SEM of pollen germinating stigma of turnip flower
False-colour scanning electron micrograph (SEM) of pollen germinating on the stigma of the turnip flower, Brassica campestris

Roxburgh fig fruit (Ficus auriculata). Photographed in Asia

Passion flower (Passiflora Venus ). The passion flower is a tropical climbing plant that is native to South America. The flower consists of white petals

Epilobium angustifolium seeds
Rosebay willowherb seed pod (Epilobium angustifolium) discharging seeds. Each seed has a plume of fine hairs that help the seed to remain airborne, aiding its dispersal by wind

Germination of the broad bean seed Vicia faba, showing the degree of development after 6 days of germination. The root is well established and the shoot is beginning to unfold its first leaves

Wildflower meadow seed mix, held in hands. This mix contains 80% wild grass seeds and 20% wildflower seeds

Columbine flower stamens, SEM
Columbine flower stamens. Coloured scanning electron micrograph (SEM) of the stamens (male sexual parts) of a columbine flower (Aquilegia sp.)

Pelargonium pollen grain, SEM
Pollen grain. Coloured scanning electron micrograph (SEM) of a grain of pollen from a geranium (Pelargonium sp.). Pollen grains contain the male reproductive cells of a plant

Ripe apricots growing on a branch
Apricots. A branch of the apricot tree, Prunus armeniaca, laden with ripe apricots. Apricots are very nutritious, containing dietary fibre, and 8 per cent sugars, salts

Sargent viburnum fruits (Viburnum sargentii). Photographed in Russia

Crabapple (Malus Evereste )
Crabapple fruits (Malus Evereste ) on their tree

Salmonberry fruit (Rubus spectabilis) growing on the plant. It is found on the west coast of North America from southern Alaska to California. The berries are used for jams and wines

Daisy seeds, SEM
Daisy seeds. Coloured scanning electron micrograph (SEM) of two seeds of a daisy plant (family Asteraceae, formerly Compositae). The seeds (bottom) are known as cypselas

White lace flower seed, SEM
White lace flower seed. Coloured scanning electron micrograph (SEM) of a seed from a white lace flower (Orlaya sp.). A seed contains an embryo (a fertilised ovule from which a new plant can grow)

Geranium flower. Macrophotograph of the reproduc- tive parts of a Geranium clarkei flower. Several stamens are seen around the central carpel (dark, upper centre)

Pollen, SEM
Pollen. Coloured scanning electron micrograph (SEM) of pollen grains on a catkin flower. A catkin is a spike of unisexual flowers with small leaves (bracts) instead of petals

Barley grain, SEM
Barley grain. Coloured scanning electron micrograph (SEM) of a barley (Hordeum vulgare) grain, the seed of the barley plant

Globe artichoke flower (Cynara scolymus). Photographed in Rosemoor, Devon, England

Wheat grain, light micrograph
Wheat grain. Light micrograph of a vertical section through a grain of wheat (Triticum vulgare). This is the fruit of the plant, and includes the endosperm (larger area, pink)

Argan fruit (Argania spinosa). Argan tree bearing ripening fruit. The argan tree is endemic to the semi-desert Sous valley in Morocco

Rocket seeds (Eruca sativa) in a petri dish of water. Soaking improves the germination rate of some plant seeds. It is also used as a method to determine the vigour of seeds

SEM of pollen grains of Common Mallow
False-colour scanning electron micrograph of pollen grains of Common Mallow, Malva sylvestris. The grains are spherical & about 108 micrometres across

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"Exploring the Intricate World of Reproduction: From Dinosaurs to Flowers and Beyond" In the ancient world, even mighty Tyrannosaurus rex dinosaurs had their own unique ways of reproducing. Discovering fossilized evidence of their mating rituals offers a fascinating glimpse into the reproductive strategies employed by these prehistoric giants. Zooming in closer to modern times, microscopic wonders like lavender pollen grains under scanning electron microscopy (SEM) reveal intricate structures that play a crucial role in plant reproduction. Similarly, SEM images of geranium anthers and dahlia flower pollen showcase nature's attention to detail when it comes to ensuring successful pollination. Nature never ceases to amaze with its diverse range mechanisms. Take the cloudberry, for example - this Arctic fruit relies on cross-pollination facilitated by insects or wind for its continued existence. Moving beyond plants, we find ourselves exploring the realm of humans. The miracle of life unfolds within a pregnant woman's body as she nurtures new beginnings and prepares for motherhood. But reproduction is not limited to just larger organisms; even tiny creatures like honeybees have their own unique methods. SEM images capturing honeybee legs provide insight into how these industrious insects transport precious pollen from one flower to another, ensuring fertilization occurs. Venturing further into nature's hidden corners reveals captivating details about reproduction in unexpected places. Mushroom gills under SEM expose delicate structures designed for spore dispersal – a vital step in mushroom reproduction. Delving deeper still, tea flower stamens captured through SEM offer an up-close look at yet another facet of botanical fertility – showcasing intricate arrangements meant to attract pollinators and ensure successful seed production. Flowers continue enchanting us with their beauty as well as their reproductive prowess. Delphinium flowers boast vibrant colors while employing various strategies such as self-pollination or attracting specific pollinators like bees or butterflies.