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  • X-Ray of a Maple Seed (Acer sp).
    K07X07mapleseednegGR.jpg
  • Scanning electron microscope image of a strawberry seed. Strawberry (Fragaria x ananassa) magnified 50x.
    K07SEM-strawberry1.jpg
  • Scanning Electron Micrograph (SEM) of a cross section of marijuana (Cannabis sativa) seed, showing the root and seed leaves enclosed. The field of view of this image is 4 mm in the horizontal direction.
    K170613cola-seedM057pan.jpg
  • Scanning Electron Micrograph (SEM) of a cross section of marijuana (Cannabis sativa) seed, showing the root and seed leaves enclosed. The field of view of this image is 4 mm in the horizontal direction.
    K170613cola-seedL055panB.jpg
  • Scanning Electron Micrograph (SEM) of a cross section of marijuana (Cannabis sativa) seed, showing the root and seed leaves enclosed. The field of view of this image is 4 mm in the horizontal direction.
    K170613cola-seedL055pan.jpg
  • An X-ray of the dried seed pods of the  Velvet Leaf  (Abutilon theophrasti).  Considered an invasive weed, the plant was first brought to north America as a source of fiber for rope.  Introduced to North America before 1750 to make rope but never became popular for that. Instead it became an agricultural pest.
    K14-seedpods2b.jpg
  • An X-ray of the dried seed pods of the  Velvet Leaf  (Abutilon theophrasti).  Considered an invasive weed, the plant was first brought to north America as a source of fiber for rope.  Introduced to North America before 1750 to make rope but never became popular for that. Instead it became an agricultural pest.
    K14-seedpods2.jpg
  • Scanning electron microscope image of a strawberry seed. Strawberry (Fragaria x ananassa) magnified 50x.
    K07SEM-strawberry2.jpg
  • Scanning electron micrograph (SEM) of poppy seeds. Poppy seeds used in breads and sweets are the seeds of Papaver somniferum, "opium poppy,"  The seeds and the oil pressed from them have been used in Asia Minor for thousands of years.
    K13SEM-poppy-seedC.jpg
  • Scanning electron micrograph (SEM) of poppy seeds. Poppy seeds used in breads and sweets are the seeds of Papaver somniferum, "opium poppy,"  The seeds and the oil pressed from them have been used in Asia Minor for thousands of years.
    K13SEM-poppy-seedB.jpg
  • Scanning electron micrograph (SEM) of poppy seeds. Poppy seeds used in breads and sweets are the seeds of Papaver somniferum, "opium poppy,"  The seeds and the oil pressed from them have been used in Asia Minor for thousands of years.
    K13SEM-poppy-seedA.jpg
  • Scanning electron microscope image of Galium aparine.  Common names include, Catchweed, Bedstraw, Sticky Willy, Goose Grass, and Cleavers.  This unique plant has seeds covered in burs similar to Velcro.  The seeds are dispersed by getting stuck in animals fur.  The magnification on this image is 45x and represents an area 2 mm wide on the seed.
    K08SEM-Galium-bur028B.jpg
  • Scanning electron microscope image of Galium aparine.  Common names include, Catchweed, Bedstraw, Sticky Willy, Goose Grass, and Cleavers.  This unique plant has seeds covered in burs similar to Velcro.  The seeds are dispersed by getting stuck in animals fur.  The magnification on this image is 45x and represents an area 2 mm wide on the seed.
    K08SEM-Galium-bur028.jpg
  • Scanning electron microscope image of Galium aparine.  Common names include, Catchweed, Bedstraw, Sticky Willy, Goose Grass, and Cleavers.  This unique plant has seeds covered in burs similar to Velcro.  The seeds are dispersed by getting stuck in animals fur.  The magnification on this image is 45x and represents an area 2 mm wide on the seed.
    K08SEM-Galium-bur001.jpg
  • Corn, Zea mays, seedling recently germinated. The upward growing shoot at this point consists of the coleoptile being fed by the endosperm stored within the remains of the seed.
    K13-corn-sprout022.JPG
  • Corn, Zea mays, seedling recently germinated. The upward growing shoot at this point consists of the coleoptile being fed by the endosperm stored within the remains of the seed.
    K13-corn-sprout023.JPG
  • Corn, Zea mays, seedling recently germinated. The upward growing shoot at this point consists of the coleoptile being fed by the endosperm stored within the remains of the seed.
    K13-corn-sprout019.JPG
  • Corn, Zea mays, seedling recently germinated. The upward growing shoot at this point consists of the coleoptile being fed by the endosperm stored within the remains of the seed.
    K13-corn-sprout017.JPG
  • A seed pod of the thorn apple (Datura stramonium). The specimen was illuminated with white light to compare it with the shortwave ultraviolet light (UV) image in this series. This image is part of a series
    K20-UVIVF_4400.jpg
  • X-ray of a pinecone and seeds.  The pine nuts are protected close to the stem.
    K11X-pineseedsCU2.jpg
  • The pollen from a male cannabis plant is nestled into the female stigma and is in the process of transferring genetic material to the female to create a seed.  The pollen is 20 um in diameter. A single grain of pollen is too small to see with the human eye. The pollen is scattered by air current to pollenate the female plant.
    K170525-D027panA.jpg
  • The pollen from a male cannabis plant is nestled into the female stigma and is in the process of transferring genetic material to the female to create a seed.  The pollen is 20 um in diameter. A single grain of pollen is too small to see with the human eye. The pollen is scattered by air current to pollenate the female plant.
    K170525-F048panA.jpg
  • The pollen from a male cannabis plant is nestled into the female stigma and is in the process of transferring genetic material to the female to create a seed.  The pollen is 20 um in diameter. A single grain of pollen is too small to see with the human eye. The pollen is scattered by air current to pollenate the female plant.
    K170525-E038panA.jpg
  • A seed pod of the thorn apple (Datura stramonium). The specimen was illuminated with shortwave ultraviolet light (UV) that cannot be detected with the camera used for this image. The tissues in the plant absorbed the UV light and fluoresced in the visible spectrum. This technique is called ultraviolet visible light fluorescence and is often used in biology to detect unique compounds in samples. This image is part of a series
    K20-UVIVF_4402.jpg
  • Color-enhanced Scanning Electron Micrograph (SEM) of the surface of a marijuana (Cannabis sativa) plant, showing glandular cells, called trichomes. These are capitate trichomes that have stalks. They secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug. Magnification: x500 when printed 10 cm wide.
    K170516protozoa-A002.jpg
  • A Sunflower seen in simulated insect vision. In this image the UV reflectivity from the flower has been added to a normal human vision image to create one interpretation of what an insect might see. The image shows the different patterns on the flower petals as perceived by insects that can see well into the ultraviolet region of the spectrum. These special patterns that have evolved to attract insects to the flower are called honey guides. This image is part of a series showing the same flower in ultraviolet (UV) radiation, visible light, insect vision, and simulated bee vision.
    K19Flower-C4503Bug.jpg
  • A Sunflower seen in visible light. This image is part of a series showing the same flower in ultraviolet (UV) radiation.
    K19Flower-C4503.jpg
  • A Sunflower seen in ultraviolet (UV) radiation. The image shows the different patterns on the flower petals that have evolved to attract insects to the flower. These patterns are often called honey guides. This image is part of a series showing the same flower in ultraviolet (UV) radiation and visible light.
    K19Flower-B4497UV.jpg
  • A Sunflower seen in one form of simulated “bee vision” or insect vision. Since many insects have vision that ranges from the yellow to the ultraviolet part of the spectrum, this image has been adjusted to have the areas of highest reflectivity in the green part of the spectrum. This sunflower image shows the different patterns on the flower petals as perceived by insects that can see well into the ultraviolet region of the spectrum. These special patterns that have evolved to attract insects to the flower are called honey guides. This image is part of a series showing the same flower in ultraviolet (UV) radiation, visible light, insect vision, and simulated bee vision.
    K19Flower-A4114Bee.jpg
  • A Sunflower seen in ultraviolet (UV) radiation. The image shows the different patterns on the flower petals that have evolved to attract insects to the flower. These patterns are often called honey guides. This image is part of a series showing the same flower in ultraviolet (UV) radiation and visible light.
    K19Flower-A4114UV.jpg
  • A Sunflower seen in one form of simulated “bee vision” or insect vision. Since many insects have vision that ranges from the yellow to the ultraviolet part of the spectrum, this image has been adjusted to have the areas of highest reflectivity in the green part of the spectrum. This sunflower image shows the different patterns on the flower petals as perceived by insects that can see well into the ultraviolet region of the spectrum. These special patterns that have evolved to attract insects to the flower are called honey guides. This image is part of a series showing the same flower in ultraviolet (UV) radiation, visible light, insect vision, and simulated bee vision.
    K19Flower-E4510Bee.jpg
  • A Sunflower seen in simulated insect vision. In this image the UV reflectivity from the flower has been added to a normal human vision image to create one interpretation of what an insect might see. The image shows the different patterns on the flower petals as perceived by insects that can see well into the ultraviolet region of the spectrum. These special patterns that have evolved to attract insects to the flower are called honey guides. This image is part of a series showing the same flower in ultraviolet (UV) radiation, visible light, insect vision, and simulated bee vision.
    K19Flower-E4510Bug.jpg
  • A Sunflower seen in visible light. This image is part of a series showing the same flower in ultraviolet (UV) radiation.
    K19Flower-F-4520.jpg
  • A Sunflower seen in simulated insect vision. In this image the UV reflectivity from the flower has been added to a normal human vision image to create one interpretation of what an insect might see. The image shows the different patterns on the flower petals as perceived by insects that can see well into the ultraviolet region of the spectrum. These special patterns that have evolved to attract insects to the flower are called honey guides. This image is part of a series showing the same flower in ultraviolet (UV) radiation, visible light, insect vision, and simulated bee vision.
    K19Flower-A4114Bug.jpg
  • A Sunflower seen in simulated insect vision. In this image the UV reflectivity from the flower has been added to a normal human vision image to create one interpretation of what an insect might see. The image shows the different patterns on the flower petals as perceived by insects that can see well into the ultraviolet region of the spectrum. These special patterns that have evolved to attract insects to the flower are called honey guides. This image is part of a series showing the same flower in ultraviolet (UV) radiation, visible light, insect vision, and simulated bee vision.
    K19Flower-F-4520Bug.jpg
  • A Sunflower seen in ultraviolet (UV) radiation. The image shows the different patterns on the flower petals that have evolved to attract insects to the flower. These patterns are often called honey guides. This image is part of a series showing the same flower in ultraviolet (UV) radiation and visible light.
    K19Flower-E4510UV.jpg
  • A Sunflower seen in ultraviolet (UV) radiation. The image shows the different patterns on the flower petals that have evolved to attract insects to the flower. These patterns are often called honey guides. This image is part of a series showing the same flower in ultraviolet (UV) radiation and visible light.
    K19Flower-G-4523UV.jpg
  • A Sunflower seen in one form of simulated “bee vision” or insect vision. Since many insects have vision that ranges from the yellow to the ultraviolet part of the spectrum, this image has been adjusted to have the areas of highest reflectivity in the green part of the spectrum. This sunflower image shows the different patterns on the flower petals as perceived by insects that can see well into the ultraviolet region of the spectrum. These special patterns that have evolved to attract insects to the flower are called honey guides. This image is part of a series showing the same flower in ultraviolet (UV) radiation, visible light, insect vision, and simulated bee vision.
    K19Flower-F-4520Bee.jpg
  • A Sunflower seen in one form of simulated “bee vision” or insect vision. Since many insects have vision that ranges from the yellow to the ultraviolet part of the spectrum, this image has been adjusted to have the areas of highest reflectivity in the green part of the spectrum. This sunflower image shows the different patterns on the flower petals as perceived by insects that can see well into the ultraviolet region of the spectrum. These special patterns that have evolved to attract insects to the flower are called honey guides. This image is part of a series showing the same flower in ultraviolet (UV) radiation, visible light, insect vision, and simulated bee vision.
    K19Flower-C4503Bee.jpg
  • A Sunflower seen in one form of simulated “bee vision” or insect vision. Since many insects have vision that ranges from the yellow to the ultraviolet part of the spectrum, this image has been adjusted to have the areas of highest reflectivity in the green part of the spectrum. This sunflower image shows the different patterns on the flower petals as perceived by insects that can see well into the ultraviolet region of the spectrum. These special patterns that have evolved to attract insects to the flower are called honey guides. This image is part of a series showing the same flower in ultraviolet (UV) radiation, visible light, insect vision, and simulated bee vision.
    K19Flower-B4497Bee.jpg
  • A Sunflower seen in visible light. This image is part of a series showing the same flower in ultraviolet (UV) radiation.
    K19Flower-G-4523.jpg
  • A Sunflower seen in one form of simulated “bee vision” or insect vision. Since many insects have vision that ranges from the yellow to the ultraviolet part of the spectrum, this image has been adjusted to have the areas of highest reflectivity in the green part of the spectrum. This sunflower image shows the different patterns on the flower petals as perceived by insects that can see well into the ultraviolet region of the spectrum. These special patterns that have evolved to attract insects to the flower are called honey guides. This image is part of a series showing the same flower in ultraviolet (UV) radiation, visible light, insect vision, and simulated bee vision.
    K19Flower-G-4523Bee.jpg
  • A Sunflower seen in simulated insect vision. In this image the UV reflectivity from the flower has been added to a normal human vision image to create one interpretation of what an insect might see. The image shows the different patterns on the flower petals as perceived by insects that can see well into the ultraviolet region of the spectrum. These special patterns that have evolved to attract insects to the flower are called honey guides. This image is part of a series showing the same flower in ultraviolet (UV) radiation, visible light, insect vision, and simulated bee vision.
    K19Flower-G-4523Bug.jpg
  • A Sunflower seen in visible light. This image is part of a series showing the same flower in ultraviolet (UV) radiation.
    K19Flower-E4510.jpg
  • A Sunflower seen in visible light. This image is part of a series showing the same flower in ultraviolet (UV) radiation.
    K19Flower-B4497.jpg
  • A Sunflower seen in ultraviolet (UV) radiation. The image shows the different patterns on the flower petals that have evolved to attract insects to the flower. These patterns are often called honey guides. This image is part of a series showing the same flower in ultraviolet (UV) radiation and visible light.
    K19Flower-F-4520UV.jpg
  • A Sunflower seen in ultraviolet (UV) radiation. The image shows the different patterns on the flower petals that have evolved to attract insects to the flower. These patterns are often called honey guides. This image is part of a series showing the same flower in ultraviolet (UV) radiation and visible light.
    K19Flower-C4503UV.jpg
  • A Sunflower seen in visible light. This image is part of a series showing the same flower in ultraviolet (UV) radiation.
    K19Flower-A4114.jpg
  • A Sunflower seen in simulated insect vision. In this image the UV reflectivity from the flower has been added to a normal human vision image to create one interpretation of what an insect might see. The image shows the different patterns on the flower petals as perceived by insects that can see well into the ultraviolet region of the spectrum. These special patterns that have evolved to attract insects to the flower are called honey guides. This image is part of a series showing the same flower in ultraviolet (UV) radiation, visible light, insect vision, and simulated bee vision.
    K19Flower-B4497Bug.jpg
  • X-ray Habanero Chili Pepper.The habanero chili is one of the more intensely piquant species of chili peppers of the Capsicum genus. Unripe habaneros are green, and they color as they mature.
    K15X-Habanero01C.jpg
  • X-Ray of a three Habanero Peppers (Capsicum chinense) .  The habanero chile is one of the hottest peppers consumed by people and rates between 100,000 and 300,000 Scoville units.   This pepper originated in South America, but when the Latin name was applied it was belied to have originated in china ? thus the Latin name of china that is now associated with this pepper.
    x07habaneroblue.jpg
  • X-ray image of Chili pepper.  Chili pepper is the fruit of plants from the genus Capsicum, members of the nightshade family, Solanaceae.
    K15X-Chilipeppers02B.jpg
  • Thornless Honey Locust (Gleditsia triacanthos).
    x07pods1neg.jpg
  • An X-ray of an Acanthus flowering stem (Acanthus mollis). Native to the Mediterranean with lobed leaves with spiny margins and showy spikes. This plant is also called Bear's breech. A design patterned after acanthus leaves is often found on Corinthian columns.
    X11-acanthusflower1C.jpg
  • X-ray of a pine cones.
    K11X-pinecones3.jpg
  • An X-ray of an Peony flower.
    K11-peonyside1.jpg
  • X-ray Habanero Chili Pepper.The habanero chili is one of the more intensely piquant species of chili peppers of the Capsicum genus. Unripe habaneros are green, and they color as they mature.
    K15X-Habanero01F.jpg
  • X-ray Habanero Chili Pepper.The habanero chili is one of the more intensely piquant species of chili peppers of the Capsicum genus. Unripe habaneros are green, and they color as they mature.
    K15X-Habanero01E.jpg
  • X-ray Habanero Chili Pepper.The habanero chili is one of the more intensely piquant species of chili peppers of the Capsicum genus. Unripe habaneros are green, and they color as they mature.
    K15X-Habanero01B.jpg
  • X-ray Habanero Chili Pepper.The habanero chili is one of the more intensely piquant species of chili peppers of the Capsicum genus. Unripe habaneros are green, and they color as they mature.
    K15X-Habanero01A.jpg
  • X-ray image of Chili pepper.  Chili pepper is the fruit of plants from the genus Capsicum, members of the nightshade family, Solanaceae.
    K15X-Chilipeppers03B.jpg
  • X-ray image of Chili pepper.  Chili pepper is the fruit of plants from the genus Capsicum, members of the nightshade family, Solanaceae.
    K15X-Chilipeppers03A.jpg
  • X-ray image of Chili pepper.  Chili pepper is the fruit of plants from the genus Capsicum, members of the nightshade family, Solanaceae.
    K15X-Chilipeppers02.jpg
  • An X-ray of an Acanthus flowering stem (Acanthus mollis). Native to the Mediterranean with lobed leaves with spiny margins and showy spikes. This plant is also called Bear's breech. A design patterned after acanthus leaves is often found on Corinthian columns.
    X11-acanthusflower1D.jpg
  • An X-ray of an Acanthus flowering stem (Acanthus mollis). Native to the Mediterranean with lobed leaves with spiny margins and showy spikes. This plant is also called Bear's breech. A design patterned after acanthus leaves is often found on Corinthian columns.
    X11-acanthusflower1BW.jpg
  • X-Ray of a two jalapeno (Capsicum annuum).  The  jalapeño rates between 2,500 and 10,000 Scoville units in heat.  This pepper originated in South America.
    x07jalapenoBG.jpg
  • X-Ray of a three different types of hot peppers.  On the top is Anaheim pepper or New Mexican pepper , the bottom left is the  habanero pepper, and on the lower right is the jalapeno pepper.
    x07hotpepperscolor.jpg
  • X-Ray of a three Habanero Peppers (Capsicum chinense) .  The habanero chile is one of the hottest peppers consumed by people and rates between 100,000 and 300,000 Scoville units.   This pepper originated in South America, but when the Latin name was applied it was belied to have originated in china ? thus the Latin name of china that is now associated with this pepper.
    x07habaneroneg.jpg
  • Crystals in the roots of the Cannabis plant. The exact composition of these are currently unknown and their role in the life cycle of the plant is a mystery. Why are they there? What do they do? What is the chemical composition of the crystals? Just a few of the questions that seem to be a daily occurrence when looking at the cannabis plant with this level of magnification.<br />
Magnification on the printed page is 4300x at 9 inches wide.
    170614Root-crystalscombo.jpg
  • A false color x-ray of teh cattail plant ((Typha latifolia).
    K15Xcattail01B.jpg
  • A false color scanning electron microscope (SEM) image of Magic mushroom spores. (Psilocybe cubensis )These spores will grow into the fungus that is Psilocybe cubensis , or the magic mushroom.   When ingested, this fungus causes euphoria, hallucinations and altered perception of time. Each spore of this strain is approximately 8 by 11 um.  Magnification is x660 when printed 10 cm wide.
    K14SEM-cubensis-spores900BLUE.jpg
  • A false color scanning electron microscope (SEM) image of Magic mushroom spores. (Psilocybe cubensis )These spores will grow into the fungus that is Psilocybe cubensis , or the magic mushroom.   When ingested, this fungus causes euphoria, hallucinations and altered perception of time. Each spore of this strain is approximately 8 by 11 um.  Magnification is x660 when printed 10 cm wide.
    K14SEM-cubensis-spores900.jpg
  • Crystals in the roots of the Cannabis plant. The exact composition of these are currently unknown and their role in the life cycle of the plant is a mystery. Why are they there? What do they do? What is the chemical composition of the crystals? Just a few of the questions that seem to be a daily occurrence when looking at the cannabis plant with this level of magnification.<br />
Magnification on the printed page is 4300x at 9 inches wide.
    K170614Root-crystalscombo.jpg
  • A false color x-ray of teh cattail plant ((Typha latifolia).
    K15Xcattail01FX.jpg
  • A false color scanning electron microscope (SEM) image of Magic mushroom spores. (Psilocybe cubensis )These spores will grow into the fungus that is Psilocybe cubensis , or the magic mushroom.   When ingested, this fungus causes euphoria, hallucinations and altered perception of time. Each spore of this strain is approximately 8 by 11 um.  Magnification is x1400 when printed 10 cm wide.
    K14SEM-cubensis-spores1840BLUE.jpg
  • Cocoa pod (Theobroma cacao). This is the fruit of the cocoa, or cacao, tree from which cocoa beans are extracted. The leathery yellow pod contains up to 100 beans embedded in a soft pulp. These are dried, roasted and ground to produce cocoa powder, which is then used to make chocolate.
    K12-cocapod1146.jpg
  • A false color scanning electron microscope (SEM) image of Magic mushroom spores. (Psilocybe cubensis )These spores will grow into the fungus that is Psilocybe cubensis , or the magic mushroom.   When ingested, this fungus causes euphoria, hallucinations and altered perception of time. Each spore of this strain is approximately 8 by 11 um.  Magnification is x660 when printed 10 cm wide.
    K14SEM-cubensis-spores900B.jpg
  • Scanning Electron Micrograph (SEM) of the root cap of a corn plant. The root tip has only grown for a few days. Magnification: 270x.
    K14-SEM-cornroot-tip001.jpg
  • Cocoa pod (Theobroma cacao). This is the fruit of the cocoa, or cacao, tree from which cocoa beans are extracted. The leathery yellow pod contains up to 100 beans embedded in a soft pulp. These are dried, roasted and ground to produce cocoa powder, which is then used to make chocolate.
    K12-cocapod1130.jpg
  • Tufted titmouse (Parus bicolor) flying from a feeder.
    K07HSbirdset1006.jpg
  • A false color x-ray of teh cattail plant ((Typha latifolia).
    K15Xcattail01A.jpg
  • X-ray of Opium poppy (Papaver somniferum) flower. This poppy is the source of opium, a narcotic resin that contains the alkaloids morphine and codeine. These are used by the pharmaceutical industry as painkillers (analgesics). Opium can be refined to yield the illegal drug heroin.
    K15X-poppy16black.jpg
  • X-ray of Opium poppy (Papaver somniferum) flower. This poppy is the source of opium, a narcotic resin that contains the alkaloids morphine and codeine. These are used by the pharmaceutical industry as painkillers (analgesics). Opium can be refined to yield the illegal drug heroin.
    K15X-poppy16A.jpg
  • AA false color scanning electron microscope (SEM) image of Magic mushroom spores. (Psilocybe cubensis )These spores will grow into the fungus that is Psilocybe cubensis , or the magic mushroom.   When ingested, this fungus causes euphoria, hallucinations and altered perception of time. Each spore of this strain is approximately 8 by 11 um.  Magnification is x1400 when printed 10 cm wide.
    K14SEM-cubensis-spores1840B.jpg
  • A false color scanning electron microscope (SEM) image of Magic mushroom spores. (Psilocybe cubensis )These spores will grow into the fungus that is Psilocybe cubensis , or the magic mushroom.   When ingested, this fungus causes euphoria, hallucinations and altered perception of time. Each spore of this strain is approximately 8 by 11 um.  Magnification is x1400 when printed 10 cm wide.
    K14SEM-cubensis-spores1840.jpg
  • Male Northern Cardinal (Cardinalis cardinalis) in flight.
    K07HSbird-card2.jpg
  • An X-ray of a Kentucky Coffee Tree seed pod (Gymnocladus dioicus) .  This low energy x-ray shows the interior structure of the seed pod. A common name for this tree is the Coffeetree
    x07KentuckyCoffeeTreepod7blue.jpg
  • An X-ray of a Kentucky Coffee Tree seed pod (Gymnocladus dioicus) .  This low energy x-ray shows the interior structure of the seed pod. A common name for this tree is the Coffeetree
    x07KentuckyCoffeeTreepodneg.jpg
  • Germinating seeds of the hemp or marijuana plant (Cannabis sativa). Marijuana contains THC (delta 9 tetrahydrocannabinol), a psychoactive compound. The Cannabis plant is native to central Asia. It is cultivated for three products: fibre from the stems, seed oil, and for use as a drug of intoxication. This fast-growing annual plant is a common weed in northern India. The drug is produced in minute resin glands on the plant surface, including the leaves, but is most concentrated in female flowers.
    K17seed-3color2.jpg
  • An X-Ray of a Cannabis Plant (Cannabis sativa). The plant produces tetrahydrocannabinol (THC), the active component of cannabis when used as a drug.
    K18Xcannabis006A.jpg
  • An X-Ray of a Cannabis Plant (Cannabis sativa). The plant produces tetrahydrocannabinol (THC), the active component of cannabis when used as a drug.
    K18Xcannabis006B.jpg
  • An X-Ray of a Cannabis Plant (Cannabis sativa). The plant produces tetrahydrocannabinol (THC), the active component of cannabis when used as a drug.
    K18Xcannabis006C.jpg
  • An X-Ray of a Cannabis Plant (Cannabis sativa). The plant produces tetrahydrocannabinol (THC), the active component of cannabis when used as a drug.
    K18Xcannabiso8BottomA.jpg
  • An X-Ray of a Cannabis Plant (Cannabis sativa). The plant produces tetrahydrocannabinol (THC), the active component of cannabis when used as a drug.
    K18Xcannabis008C.jpg
  • An X-Ray of a Cannabis Plant (Cannabis sativa). The plant produces tetrahydrocannabinol (THC), the active component of cannabis when used as a drug.
    K18Xcannabis008A.jpg
  • An X-Ray of a Cannabis Plant (Cannabis sativa). The plant produces tetrahydrocannabinol (THC), the active component of cannabis when used as a drug.
    K18Xcannabis008B.jpg
  • Germinating seeds of the hemp or marijuana plant (Cannabis sativa). Marijuana contains THC (delta 9 tetrahydrocannabinol), a psychoactive compound. The Cannabis plant is native to central Asia. It is cultivated for three products: fibre from the stems, seed oil, and for use as a drug of intoxication. This fast-growing annual plant is a common weed in northern India. The drug is produced in minute resin glands on the plant surface, including the leaves, but is most concentrated in female flowers.
    K17seed-4page.jpg
  • Kiwano fruits (Cucumis metuliferus).  The specimen was illuminated with white light to compare it with the shortwave ultraviolet light (UV) image in this series. This image is part of a series
    K20-UVIVF_4505.jpg
  • Kiwano fruits (Cucumis metuliferus).  The specimen was illuminated with white light to compare it with the shortwave ultraviolet light (UV) image in this series. This image is part of a series
    K20-UVIVF_4519.jpg
  • Kiwi fruit, (Actinidia deliciosa). The specimen was illuminated with shortwave ultraviolet light (UV) that cannot be detected with the camera used for this image. The tissues in the plant absorbed the UV light and fluoresced in the visible spectrum. This technique is called ultraviolet light induced visible light fluorescence (UVIVLF) and is often used in biology to detect unique compounds in samples. This image is part of a series
    K20-UVIVF_4473.jpg
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