Recently added

Slide Collection (Paraclinical Sciences - Pharmacology & Toxicology): Recent submissions

  • Smodingium argutum 
    Botha, C.J. (Christoffel Jacobus); Venter, Elna; University of Pretoria. Faculty of Veterinary Science. Dept. of Paraclinical Sciences. Section Pharmacology and Toxicology (2002)
    DISTRIBUTION: Occurs in shaded valleys, often Acacia dominated thorn bush in low rainfall areas.
  • Opuntia ficus-indica 
    Botha, C.J. (Christoffel Jacobus); Venter, Elna; University of Pretoria. Faculty of Veterinary Science. Dept. of Paraclinical Sciences. Section Pharmacology and Toxicology (2002)
    DISTRIBUTION: Originally from central Mexico, it is now to be found mostly in the drier regions of the country, along the coast, etc. Also cultivated as garden subjects and for drought feeding. Botanical description: ...
  • Vicia villosa 
    Botha, C.J. (Christoffel Jacobus); Venter, Elna; University of Pretoria. Faculty of Veterinary Science. Dept. of Paraclinical Sciences. Section Pharmacology and Toxicology (2002)
    DISTRIBUTION: Imported plant. Cultivated as pasture in the Western and Eastern Cape and Northern province.
  • Nolletia gariepina 
    Botha, C.J. (Christoffel Jacobus); Venter, Elna; University of Pretoria. Faculty of Veterinary Science. Dept. of Paraclinical Sciences. Section Pharmacology and Toxicology (2002)
    DISTRIBUTION: To be found in Namibia and the Northern Cape province. Growing on sand among rocks and in rock crevices on hills and mountain slopes. Almost always in association with granite.
  • Euphorbia species 
    Botha, C.J. (Christoffel Jacobus); Venter, Elna; University of Pretoria. Faculty of Veterinary Science. Dept. of Paraclinical Sciences. Section Pharmacology and Toxicology (2002)
    DISTRIBUTION: Occuring at medium to low altitudes in various types of deciduous woodland, most frequently on rocky koppies and often associated with termite mounds.
  • Crotalaria burkeana 
    Botha, C.J. (Christoffel Jacobus); Venter, Elna; University of Pretoria. Faculty of Veterinary Science. Dept. of Paraclinical Sciences. Section Pharmacology and Toxicology (2002)
    DISTRIBUTION: Occurs in mixed grassland or open sandy areas. Spreads rapidly in disturbed soil or trampled veld.
  • Salsola tuberculatiformis 
    Botha, C.J. (Christoffel Jacobus); Venter, Elna; University of Pretoria. Faculty of Veterinary Science. Dept. of Paraclinical Sciences. Section Pharmacology and Toxicology (2002)
    DISTRIBUTION: Occurs in a wide range of dry habitats – plains, depressions and brackish soil. Very drought resistant.
  • Agave americana 
    Botha, C.J. (Christoffel Jacobus); Venter, Elna; University of Pretoria. Faculty of Veterinary Science. Dept. of Paraclinical Sciences. Section Pharmacology and Toxicology (2002)
    DISTRIBUTION: Originally from South America. Planted for drought feeding, etc. Widespread.
  • Rumex species 
    Botha, C.J. (Christoffel Jacobus); Venter, Elna; University of Pretoria. Faculty of Veterinary Science. Dept. of Paraclinical Sciences. Section Pharmacology and Toxicology (2002)
    DISTRIBUTION: Growing on disturbed soil or sometimes growing together with artificial pastures on cultivated land.
  • Mesembryanthemaceae 
    Botha, C.J. (Christoffel Jacobus); Venter, Elna; University of Pretoria. Faculty of Veterinary Science. Dept. of Paraclinical Sciences. Section Pharmacology and Toxicology (2002)
    DISTRIBUTION: Mostly to be found in the drier regions of the country, along the coast, etc. Also cultivated as garden subject.
  • Crotalaria species 
    Botha, C.J. (Christoffel Jacobus); Venter, Elna; University of Pretoria. Faculty of Veterinary Science. Dept. of Paraclinical Sciences. Section Pharmacology and Toxicology (2002)
    DISTRIBUTION: Usually in grassland. C. dura grows from sea level to 900 m above, while C. globifera can grow up to 1 500 m above sea level.
  • Oxalis species 
    Botha, C.J. (Christoffel Jacobus); Venter, Elna; University of Pretoria. Faculty of Veterinary Science. Dept. of Paraclinical Sciences. Section Pharmacology and Toxicology (2002)
    DISTRIBUTION: Widely distributed. Growing on nearly all soil types and under most climatic conditions. More than 200 species are found in South Africa; only two are exotic. Mostly in damp conditions in high rainfall ...
  • Fusarium graminearum 
    Botha, C.J. (Christoffel Jacobus); Venter, Elna; University of Pretoria. Faculty of Veterinary Science. Dept. of Paraclinical Sciences. Section Pharmacology and Toxicology (2002)
    DISTRIBUTION: Grows on different grains, e.g. maize and sorghum. Maize is produced mainly in the North-West, north-western, northern and eastern Free State, the Mpumalanga Highveld and the Kwazulu-Natal Midlands.
  • Exotic Acacia species 
    Botha, C.J. (Christoffel Jacobus); Venter, Elna; University of Pretoria. Faculty of Veterinary Science. Dept. of Paraclinical Sciences. Section Pharmacology and Toxicology (2002)
    DISTRIBUTION: Originally from Australia. Now aggressive invader species to be found all over the country.
  • Quercus robur 
    Botha, C.J. (Christoffel Jacobus); Venter, Elna; University of Pretoria. Faculty of Veterinary Science. Dept. of Paraclinical Sciences. Section Pharmacology and Toxicology (2002)
    DISTRIBUTION: Most common and best-known oak species in South Africa. Cultivated in colder, moister climatic areas – problematic in eastern and south western Cape and highveld of Kwazulu- Natal and Mpumalanga. Botanical ...
  • Grasses and weeds 
    Botha, C.J. (Christoffel Jacobus); Venter, Elna; University of Pretoria. Faculty of Veterinary Science. Dept. of Paraclinical Sciences. Section Pharmacology and Toxicology (2002)
    Aristida spp. Three-awned grass, Steekgras. DISTRIBUTION: Usually to be found in disturbed, eroded soil or on hard bare gravelly soils.
  • Solanum species 
    Botha, C.J. (Christoffel Jacobus); Venter, Elna; University of Pretoria. Faculty of Veterinary Science. Dept. of Paraclinical Sciences. Section Pharmacology and Toxicology (2002)
    DISTRIBUTION: This family of plants is widely spread all over the country, often in places where the soil has been disturbed.
  • Sesbania punicea 
    Botha, C.J. (Christoffel Jacobus); Venter, Elna; University of Pretoria. Faculty of Veterinary Science. Dept. of Paraclinical Sciences. Section Pharmacology and Toxicology (2002)
    DISTRIBUTION: Originally from South America, it is an escaped exotic and a declared weed that has to be eradicated in South Africa. Found especially along watercourses and on disturbed soil.
  • Ricinus communis 
    Botha, C.J. (Christoffel Jacobus); Venter, Elna; University of Pretoria. Faculty of Veterinary Science. Dept. of Paraclinical Sciences. Section Pharmacology and Toxicology (2002)
    DISTRIBUTION: Commonly found along roadsides and watercourses and disturbed soil. It is planted in gardens and cultivated for medicinal purposes. A declared invader plant that has to be eradicated. Originally from tropical ...
  • Poaceae 
    Botha, C.J. (Christoffel Jacobus); Venter, Elna; University of Pretoria. Faculty of Veterinary Science. Dept. of Paraclinical Sciences. Section Pharmacology and Toxicology (2002)
    DISTRIBUTION: Widespread grasses that occur naturally in all kinds of veld types.