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  • Tigridia pavonia (L.f.)DC. Iridaceae Distribution: Peru. These colourful, tulip-like flowers were named by De Candolle for Joseph (José) Pavón Jiménez (1754-1840), the Spanish pharmacist/botanist who accompanied Hipólito Ruiz and Joseph Dombey on their epic botanising in Peru and Chile (1777-1788) in search of quinine and medicinal plants. On the 8th April 1777, King Carlos III of Spain gave permission for the three botanists and two artists to travel from Spain to America to study the flora of Peru and Chile, then Spanish dominions. Initially around Lima, and then further afield, they collected plants which their artists painted
  • B.'s Supplement or enlargement to Mr. Nich. Culpeppers English physitian. Containing a description of the form, names, place, time, coelestial government, and virtues, of all such medicinal plants as grow in England, and are omitted in his book ... To which is annexed, a new tract for the cure of wounds made by gunshot or otherways, and remedies for ... seamen troubled with the scurvy / [Joseph Blagrave].
  • Culpeper's English physician; and complete herbal. To which are now first added, upwards of one hundred additional herbs, with a display of their medicinal and occult properties, physically applied to the cure of all disorders incident to mankind ... Beautified and enriched with engravings of upwards of four hundred and fifty different plants, and a set of anatomical figures / Illustrated with notes and observations, critical and explanatory ... By E. Sibly.
  • Culpeper's English physician; and complete herbal. To which are now first added, upwards of one hundred additional herbs, with a display of their medicinal and occult properties, physically applied to the cure of all disorders incident to mankind ... Beautified and enriched with engravings of upwards of four hundred and fifty different plants, and a set of anatomical figures / Illustrated with notes and observations, critical and explanatory ... By E. Sibly.
  • Culpeper's English physician; and complete herbal. To which are now first added, upwards of one hundred additional herbs, with a display of their medicinal and occult properties, physically applied to the cure of all disorders incident to mankind ... Beautified and enriched with engravings of upwards of four hundred and fifty different plants, and a set of anatomical figures / Illustrated with notes and observations, critical and explanatory ... By E. Sibly.
  • Galega officinalis L. Fabaceae. Goat's Rue. Distribution: Central and Southern Europe, Asia Minor. Culpeper (1650) writes that it ‘... resists poison, kills worms, resists the falling sickness [epilepsy], resisteth the pestilence.’ Galega officinalis contains guanidine which reduces blood sugar by decreasing insulin resistance and inhibiting hepatic gluconeogenesis.. Metformin and Phenformin are drugs for type II diabetes that rely on this group of chemicals, known as biguanidines. Its name gala, meaning milk plus ega meaning 'to bring on', refers to its alleged property of increasing milk yield, and has been used in France to increase milk yield in cows. officinalis refers to its use in the offices of the monks, and is a common specific name for medicinal plants before 1600 and adopted by Linnaeus (1753). The fresh plant tastes of pea pods. Photographed in the Medicinal Garden of the Royal College of Physicians, London.
  • Shanjiang (Alpinia japonica), medicinal plant. Chinese, 1655
  • Duruo (Pollia japonica), medicinal plant. Chinese, 1655
  • Osmanthus delavayi Franch. Oleaceae Evergreen shrub. Distribution: China. Osmanthus is derived from the Greek for 'fragrant flower', delavayi from its discoverer, the French Missionary with the Missions Étrangères, and plant collector, Pierre Delavay (1834-1895). He sent 200,000 herbarium specimens containing 4000 species including 1,500 new species to Franchet at the Museum of Natural History in Paris. He sent seed of O. delavayi to France (1886), but only one germinated, and all the plants in cultivation until it was recollected 40 years later, arose from this plant (Bretschneider, 1896). The flowers are used to make a tea in China, but the berries (drupes) are not regarded as edible. Photographed in the Medicinal Garden of the Royal College of Physicians, London.
  • Fuchsia magellanica Lam. Onagraceae. Hardy fuchsia. Semi-hardy shrub. Distribution: Mountainous regions of Chile and Argentina where they are called 'Chilco' by the indigenous people, the Mapuche. The genus was discovered by Charles Plumier in Hispaniola in 1696/7, and named by him for Leonhart Fuchs (1501-1566), German Professor of Medicine, whose illustrated herbal, De Historia Stirpium (1542) attempted the identification of the plants in the Classical herbals. It also contained the first accounts of maize, Zea mays, and chilli peppers, Capsicum annuum, then recently introduced from Latin America. He was also the first person to publish an account and woodcuts of foxgloves, Digitalis purpurea and D. lutea. The book contains 500 descriptions and woodcuts of medicinal plants, arranged in alphabetical order, and relied heavily on the De Materia Medica (c. AD 70) of Dioscorides. He was a powerful influence on the herbals of Dodoens, and thence to Gerard, L’Escluse and Henry Lyte. A small quarto edition appeared in 1551, and a two volume facsimile of the 1542 edition with commentary and selected translations from the Latin was published by Stanford Press in 1999. The original woodcuts were passed from printer to printer and continued in use for 232 years (Schinz, 1774). Photographed in the Medicinal Garden of the Royal College of Physicians, London.
  • Salvia coahuilensis Fernald Lamiaceae Coahuila Sage. Perennial shrub. Distribution: Mexico. Most of the historical medicinal literature is on common sage, Salvia officinalis. The name Salvia meaning 'healthy'. Elizabeth Blackwell (1737) wrote that it had "... all the noble Properties of the other hot Plants more especially for the Head, Memory, Eyes, and all Paralytical Affections. In short, 'tis a Plant endu'd with so many and wonderful Properties, as that the assiduous use of it is said to render Men Immortal" with which Hans Sloane agreed. Its health giving properties were recorded in the aphorisms of the School of Salerno (fl 9-13th century) - quoted in the Decameron [c.1350, translated: Why should man die when Salvia grows in the Garden']. Some salvias, such as Salvia divinorum contain hallucinogenic compounds. Photographed in the Medicinal Garden of the Royal College of Physicians, London.
  • Aconitum carmichaelii Debeaux. Ranunculaceae. Chinese aconite, Chinese wolfsbane, Carmichael's monkshood. Herbaceous perennial. Distribution C. to W. China to N. America. Named for Dr J.R. Carmichael (d. 1877), English physician, plant collector and Protestant missionary from 1862-1877 in Guangdong and Shandong, China initially in Canton. He aided Francis Forbes to collect plants for Kew. Aconitum plants are so poisonous that Theophrastus states that death was the punishment for possessing them. Aconitine is the poison and was used - from Aconitum ferox - in the 'curry murder' in London in 2009. It causes respiratory paralysis, bradycardia (slowing of the pulse), cardiac arrhythmias, tingling, sweating, gastric cramps, diarrhoea and death, both by ingestion and by absorption through the mucous membranes and the skin. Despite this it is widely used in Chinese herbal medicine. It is a restricted herbal medicine which can only be dispensed by a herbal practitioner for external use following a one-to-one consultation, or by prescription from a registered doctor or dentist (UK Medicines and Healthcare Products Regulatory Agency (MHRA)). Photographed in the Medicinal Garden of the Royal College of Physicians, London.
  • Lathyrus vernus (L.)Bernh. Papilionaceae previously Orobus vernus L. (Linnaeus, 1753) Spring vetchling. Distribution: Europe to Siberia. The seeds of several Lathyrus species are toxic, and when eaten cause a condition called lathyrism. The chemical diaminoproprionic acid in the seeds causes paralysis, spinal cord damage, aortic aneurysm, due to poisoning of mitochondria causing cell death. Occurs where food crops are contaminated by Lathyrus plants or where it is eaten as a 'famine food' when no other food is available. It is the Orobus sylvaticus purpureus vernus of Bauhin (1671) and Orobus sylvaticus angustifolius of Parkinson (1640) - who records that country folk had no uses for it. Photographed in the Medicinal Garden of the Royal College of Physicians, London.
  • Lathyrus vernus (L.)Bernh. Papilionaceae previously Orobus vernus L. (Linnaeus, 1753) Spring vetchling. Distribution: Europe to Siberia. The seeds of several Lathyrus species are toxic, and when eaten cause a condition called lathyrism. The chemical diaminoproprionic acid in the seeds causes paralysis, spinal cord damage, aortic aneurysm, due to poisoning of mitochondria causing cell death. Occurs where food crops are contaminated by Lathyrus plants or where it is eaten as a 'famine food' when no other food is available. It is the Orobus sylvaticus purpureus vernus of Bauhin (1671) and Orobus sylvaticus angustifolius of Parkinson (1640) - who records that country folk had no uses for it. Photographed in the Medicinal Garden of the Royal College of Physicians, London.
  • Salvia nemorosa L. Lamiaceae Woodland sage. Balkan clary Distribution: Central Europe, Western Asia. Most of the historical medicinal literature is on common sage, Salvia officinalis. The name Salvia meaning 'healthy'. Elizabeth Blackwell (1737) wrote that it had "... all the noble Properties of the other hot Plants more especially for the Head, Memory, Eyes, and all Paralytical Affections. In short, 'tis a Plant endu'd with so many and wonderful Properties, as that the assiduous use of it is said to render Men Immortal" with which Hans Sloane agreed. Linnaeus (1782) also: 'Timor, Languor, Leucorrhoea, Senectus [fear, tiredness, white vaginal discharge, old age]'. Its health giving and immortality conferring properties were recorded in the aphorisms of the School of Salerno (fl 9-13th century) - quoted in the Decameron [c.1350, translated: Why should man die when Salvia grows in the Garden']. Some salvias, such as Salvia divinorum contain hallucinogenic compounds. Photographed in the Medicinal Garden of the Royal College of Physicians, London.
  • Adonis vernalis L. Ranunculaceae. Pheasant's eye, the golden flowered spring (or vernal) Adonis, is named in memory of Adonis, the Greek god of plants, who disappeared into the earth in the winter and reappeared in the spring. The flowers were said to have sprung from his blood when he was gored to death by a wild boar, but this plant must have been the blood red Adonis aestivalis, the summer Adonis. Distribution: Eurasia to Spain and Sweden. Gerard (1633) recommends it for renal stone and intestinal colic. Lewis & Elvin Lewis (2003) note it is poisonous, containing cardiac glycosides (adonitoxin, cymarin, K-strophanthin) and flavonoids. The UK Medicines and Healthcare Products Regulatory Agency (MHRA)) bans its use for ingestion 'no dose permitted' but allow it to be prescribed by a herbal practitioner on a one-to-one consultation. Photographed in the Medicinal Garden of the Royal College of Physicians, London.
  • Cucurbita pepo L., Cucurbitaceae. Distribution: Mexico (extinct) This species is one of the oldest cultivated plants, first grown 11,000 years ago in Mexico, but extinct in the wild. Varieties are selectively bred for their taste, colour and shape. The seeds, ground to a powder are used to kill intestinal tape-worms (Lewis & Elvin-Lewis, 2003). This is a 200-year-old cultivar whose seed has been conserved by the Amish of Pennsylvania, USA. The rind is very thick, but the taste is delicious. This is a 200-year-old cultivar whose seed has been conserved by the Amish of Pennsylvania, USA. The rind is very thick, but the taste is delicious. Seeds approved for use in making herbal medicines in the UK (Herbal Medicine legislation 2013) Photographed in the Medicinal Garden of the Royal College of Physicians, London.
  • Eranthis hyemalis Salisb. Ranunculaceae Winter Aconite Distribution: Europe. The reason it was called Winter aconite and linked to Aconitum napellus as being just as poisonous is because plants were classified according to leaf shape in the 16th century. L'Obel's Stirpium adversaria nova (1571) and Plantarum seu stirpium historia (1576) (with a full page illustration on page 384 showing Eranthis and Aconitum together) along with the knowledge that related plants have similar medical properties caused the belief that Eranthis are as poisonous as Aconitum. They are both in Ranunculaceae and while Eranthis (like all Ranunculaceae)is toxic if eaten, it does not contain the same chemicals as Aconitum. Caesalpino (Ekphrasis, 1616) pointed out the error in classifying according to leaf shape and recommended flower shape. It contains pharmacologically interesting chemicals such as khellin, also present in Ammi visnaga. This is a vasodilator but quite toxic, but can be converted into khellin analogues such as sodium cromoglicate – used as a prophylaxis against asthma attacks – and amiodarone which has anti-arrhythmia actions so is used for atrial fibrillation and other arrhythmias. It is endangered and protected in the wild (Croatia) because of over-collecting for horticulture. Photographed in the Medicinal Garden of the Royal College of Physicians, London.
  • Eranthis hyemalis Salisb. Ranunculaceae Winter Aconite Distribution: Europe. The reason it was called Winter aconite and linked to Aconitum napellus as being just as poisonous is because plants were classified according to leaf shape in the 16th century. L'Obel's 'Stirpium adversaria nova' published in 1571 and 'Plantarum seu stirpium historia' published 1576 (with a full page illustration on page 384 showing Eranthis and Aconitum together) along with the knowledge that related plants have similar medical properties caused the belief that Eranthis are as poisonous as Aconitum. They are both in Ranunculaceae and while Eranthis (like all Ranunculaceae) is toxic if eaten, it does not contain the same chemicals as Aconitum. Caesalpino (Ekphrasis, 1616) pointed out the error in classifying according to leaf shape and recommended flower shape. It contains pharmacologically interesting chemicals such as khellin, also present in Ammi visnaga. This is a vasodilator but quite toxic, which can be converted into khellin analogues such as sodium cromoglicate – used as a prophylaxis against asthma attacks – and amiodarone which has anti-arrhythmia actions so is used for atrial fibrillation and other arrhythmias. It is endangered and protected in the wild (Croatia) because of over-collecting for horticulture. Photographed in the Medicinal Garden of the Royal College of Physicians, London.
  • Adder's tongue (Ophioglossum vulgatum L.): fertile stem with description of the plant and its medicinal uses. Coloured line engraving by J. Basire, the younger, c. 1759, after T. Sheldrake.
  • Alkanet (Anchusa tinctoria L.): flowering stem with separate leaf and floral segments and description of the plant and its medicinal uses. Coloured line engraving by C. H. Hemerich, c. 1759, after T. Sheldrake.
  • Haemanthus albiflos Jacq. Amaryllidaceae. Paintbrush plant. Distribution: South Africa. Used as a cough medicine and as a charm to ward off lightning (Pooley, 1998). Photographed in the Medicinal Garden of the Royal College of Physicians, London.
  • Fatsia japonica (Thunb.) Decne. & Planch. Araliaceae False castor oil plant. Distribution: Japan, South Korea. Not even in the same family as the castor oil plant, Ricinus communis. An ornamental plant, Fatsia from the Japanese word for 'eight' hachi referring to the eight-lobed leaf. The sap can cause dermatitis. Photographed in the Medicinal Garden of the Royal College of Physicians, London.
  • Morning glory (Ipomoea purpurea (L.) Roth.): flowering stem with separate floral segments and a description of the plant and its medicinal uses. Coloured line engraving by C.H. Hemerich, c.1759, after T. Sheldrake.
  • Senecio pulcher Hook.&Arn. Asteraceae Distribution: South America. It has not attracted attention as a medicinal or toxic plant but members of the genus Senecio contain pyrrolizidine alkaloids that are toxic to the liver and may cause liver cancer. A traditional Chinese medicine (TCM) product, Qianbai Biyan Pian, contains Senecio scandens which contains the unsaturated pyrrolizidine alkaloids, senecionine and seneciphylline. This is now a banned drug. (Safety of Herbal Medicinal Products, July 2002, Medicines Control Agency). Photographed in the Medicinal Garden of the Royal College of Physicians, London.
  • Senecio pulcher Hook.&Arn. Asteraceae Distribution: South America. It has not attracted attention as a medicinal or toxic plant but members of the genus Senecio contain pyrrolizidine alkaloids that are toxic to the liver and may cause liver cancer. A traditional Chinese medicine (TCM) product, Qianbai Biyan Pian, contains Senecio scandens which contains the unsaturated pyrrolizidine alkaloids, senecionine and seneciphylline. This is now a banned drug. (Safety of Herbal Medicinal Products, July 2002, Medicines Control Agency). Photographed in the Medicinal Garden of the Royal College of Physicians, London.
  • Clivia miniata Regel Amaryllidoideae Kaffir lily, Natal lily. Named for Lady Charlotte Clive, Duchess of Northumberland Distribution: South Africa. A toxic plant containing the cytotoxic chemical, Lycorine. Photographed in the Medicinal Garden of the Royal College of Physicians, London.
  • Cistus incanus ssp creticus Juss. Cistaceae. Rock Rose. Distribution: Crete. Interesting symbiosis with fungus called Tuber melanosporum which increases nutrient absorption for the plant and inhibits growth of other plants in the vicinity. It is a source of the resin ‘labdanum’ (a.k.a. ‘ladanum’) used in perfumes (similar smell to ambergris), as is Cistus ladanifer. It has no medical uses now, and such use was dwindling even in the 18th century. In the 16th century (Henry Lyte’s 1575 translation of Rembert Dodoen’s Cruydeboeck of 1554) its uses were described (directly copied from Dioscorides’ Materia Medica (70AD)) as: ‘Ladanum dronketh with olde wine, stoppeth the laske [periods], and provoketh urine. It is very good against the hardness of the matrix or mother [uterus] layde to in the manner of a pessarie, and it draweth down the secondes or afterbirth, when it is layde upon quicke coles [hot coals], and the fumigation or parfume thereof be received up into the body of women. // The same applied to the head with Myrrhe and oyle of Myrrhe, cureth the scurffe, called Alopecia, and keepeth the heare [hair] from falling of [sic], but whereas it is already fallen away, it will not cause the heare to growe agayne. // ...' and goes on in this vein about its uses for pain in the ears, and removing sores and scars and other things. Photographed in the Medicinal Garden of the Royal College of Physicians, London.
  • Dianella tasmanica Hook.f. Phormiaceae Tasman flax lily. Distribution: Australia. A pretty plant, but also a source of fine fibre. The leaves are used for making baskets and the berries as a dye source. No medicinal use found, but the fruit is an irritant
  • Solanum atropurpureum Schrank Solanaceae. Purple Devil. Purple-spined Nightshade. Herbaceous perennial. Distribution: Brazil. This ferociously spined plant contains tropane alkaloids, atropine, hyoscyamine and scopolamine. All are anticholinergic and block the acetylcholine mediated actions of the parasympathetic nervous system. While the alkaloids are used in medicine and as an antidote to anticholinergic nerve gas poisons, the plant itself is not used in medicine. Its sharp spines can be irritant. Photographed in the Medicinal Garden of the Royal College of Physicians, London.