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Cynoglossum officinale L. Boraginaceae. Houndstongue. Distribution: Europe. Culpeper (1650) writes: “... being roasted and laid to the fundament, helps the haemorrhoids. It is also good against burnings and scaldings.” It contains hepatocarcinogenic pyrrolizidine alkaloids and while people are known to eat the young leaves as a vegetable, this is inadvisable. The whole plant is hairy and may cause contact dermatitis. The use of herbal remedies, which contain these alkaloids, by the Bantu of southern Africa correlates with their high incidence of tumours of the liver and pancreas. Photographed in the Medicinal Garden of the Royal College of Physicians, London.
Dr Henry Oakeley- Digital Images
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Agrimonia eupatoria (Agrimony)
Rowan McOnegal- Digital Images
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Bellis perennis (Common daisy)
Rowan McOnegal- Digital Images
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Frangula alnus (Alder buckthorn)
Rowan McOnegal- Digital Images
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Berberis aquifolium (Oregon, Mountain, Grape)
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Tibetan plant manuscript
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Chicorium intybus (Chicory or Wild Succory)
Rowan McOnegal- Digital Images
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Asarum canadense (Wild ginger)
Rowan McOnegal- Digital Images
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Inula helenium (Elecampane)
Rowan McOnegal- Digital Images
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Inula helenium (Elecampane)
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Artemisia annua (Sweet wormwood)
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Matricaria recutita (Wild chamomile)
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Balsamita major (Alecost or Costmary)
Rowan McOnegal- Digital Images
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Drosera rotundifolia (Sundew)
Rowan McOnegal- Digital Images
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Drosera rotundifolia (Sundew)
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Drosera intermedia (Sundew)
Rowan McOnegal- Digital Images
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Artemisia annua (Sweet wormwood)
Rowan McOnegal- Digital Images
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Artemisia indovioana
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Crataegus monogyna (Hawthorn or May-tree)
Rowan McOnegal- Digital Images
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Artemisia annua (Sweet wormwood)
Sue Snell- Digital Images
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Humulus lupulus (Hop)
Rowan McOnegal- Digital Images
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Grindelia intergrifolia (Grindelia)
Rowan McOnegal- Digital Images
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Geranium robertianum (Herb robert)
Rowan McOnegal- Digital Images
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Crataegus monogyna (Hawthorn or May-tree)
Rowan McOnegal- Digital Images
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Gentiana lutea (Great yellow gentian)
Rowan McOnegal