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  • Pelargonium tricuspidatum L'Her. Geraniaceae Distribution: South Africa. Mainly used to produce aromatic oils. Photographed in the Medicinal Garden of the Royal College of Physicians, London.
  • Watsonia pillansii L.Bolus Iridaceae Bugle lily, Distribution: South Africa. Named for Sir William Watson (1715-1787), British botanist and physician, sometime censor at the Royal College of Physicians, London. No medicinal uses. Photographed in the Medicinal Garden of the Royal College of Physicians, London.
  • Watsonia pillansii L.Bolus Iridaceae Bugle lily, Distribution: South Africa. Named for Sir William Watson (1715-1787), British botanist and physician, sometime censor at the Royal College of Physicians, London. No medicinal uses. Photographed in the Medicinal Garden of the Royal College of Physicians, London.
  • Dierama pulcherrimum Baker Iridaceae. Angel's Fishing rods, African harebell.. Herbaceous perennial. Distribution: South Africa. Said to be used in South African Muthi medicine, but no references found other than it being grown at the Medicinal Garden of the University of Washington and the Royal College of Physicians, London. Photographed in the Medicinal Garden of the Royal College of Physicians, London.
  • 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.
  • 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.
  • Acacia melanoxylon R.Br. Mimosaceae. Australian Blackwood. Tree. Distribution: Eastern Australia. Tree. Invasive weed in South Africa, Portugal, California. Local uses: analgesic. Causes allergic contact dermatitis due to 2,6,dimethoxybenzoquinone. Pinnate leaves of young plant drop off and phylloclades are formed instead. Photographed in the Medicinal Garden of the Royal College of Physicians, London.
  • Hydrangea quercifolia W.Bartram Hydrangeaceae. Oak-leaved hydrangea. Distribution: South-eastern United States. Beta-dichroine a quinazolinone also called febrifugine from the leaves of hydrangeas is 64-100 times more potent than quinine as an antimalarial in animals, but extremely toxic. A synthesised tolyl derivative, methaqualone (2-methyl-3-o-tolyl-4(3H)-quinazolinone), was found to be a mild hypnotic, and marketed in the sleeping tablet, Mandrax. Widely abused and quickly banned by most countries. Illegal manufacture continues and in South Africa methaqualone is the commonest drug of abuse, mixed with cannabis and smoked. Photographed in the Medicinal Garden of the Royal College of Physicians, London.
  • Gardenia jasminoides J.Ellis Rubiaceae. Cape jasmine - as erroneously believed to have come from South Africa. Distribution: China. Named for Dr Alexander Garden FRS (1730-1791) Scottish-born physician and naturalist who lived in Charles Town, South Carolina, and corresponded with Linnaeus and many of the botanists of his era. The fruits are used in China both as a source of a yellow dye, and for various unsubstantiated medicinal uses. Other species of Gardenia are found in tropical Africa and the roots and leaves have all manner of putative uses. Gardenia tenuifolia is used as an aphrodisiac, for rickets, diarrhoea, leprosy, gall bladder problems, toothache, liver complaints, diabetes, hypertension, malaria and abdominal complaints. It causes violent vomiting and diarrhoea. It, and other species, are used to poison arrows and to poison fish. Some native, muthi medicine, healers regard Gardenia as a ‘last chance’ medicine, given to patients when all else fails – the patient either dies or recovers (Neuwinger, 1996). Photographed in the Medicinal Garden of the Royal College of Physicians, London.
  • Eucomis comosa (Houtt.)H.R.Wehrh. Hyacinthaceae Pineapple flower. From the Greek eu comis meaning 'good hair' referring to the tuft of leaves on top of the flowers. Comosa being Latin for 'with a tuft' referring to the same thing. Used in South African 'muthi' medicine. Enemas of Eucomis autumnalis are used in Africa to treat low backache, to aid postoperative recovery and to speed the healing of fractures. Decoctions are taken for the treatment of everything from hangovers to syphilis. The active ingredients include homisoflavones, which have anti-inflammatory and antispasmodic activity (van Wyk et al, 2000) Photographed in the Medicinal Garden of the Royal College of Physicians, London.