Browsing Slide Collection (Paraclinical Sciences - Pharmacology & Toxicology) by Issue Date

Browsing Slide Collection (Paraclinical Sciences - Pharmacology & Toxicology) by Issue Date

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  • Melianthus 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: • M. comosus has a wide distribution, mainly in the dry interior of South Africa, while • M. major occurs only in the Western Cape. • The genus Melianthus is restricted to southern Africa.
  • 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.
  • Solanum tettense 
    Botha, C.J. (Christoffel Jacobus); Venter, Elna; University of Pretoria. Faculty of Veterinary Science. Dept. of Paraclinical Sciences. Section Pharmacology and Toxicology (2002)
    DISTRIBUTION: It grows on flats or hill slopes, and on sandy, loamy or stony soil, especially where the soil is overgrazed or disturbed. Once S. kwebense becomes established in an area, no grass will grow in its vicinity.
  • Non-toxic Cotyledon species look-alike plants 
    Botha, C.J. (Christoffel Jacobus); Venter, Elna; University of Pretoria. Faculty of Veterinary Science. Dept. of Paraclinical Sciences. Section Pharmacology and Toxicology (2002)
    Crassula arborescens: Distribution: Usually to be found on dry rocky hillsides in karroid scrubland. Botanical description:General: Usually a shrub, 1-2 m, but can also grow up to 3 m tall. Bark smooth, succulent, ...
  • Hypericum 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: Occurs in a wide variety of habitats, most commonly in stony areas or open grassland. Also near water, in marshy or damp places, between rocks as well as on old lands.
  • Lantana camara 
    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 and South America, it is now a serious invading plant. More commonly found in the moist eastern parts of the country. Often cultivated as a garden subject.
  • 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.
  • Galenia africana 
    Botha, C.J. (Christoffel Jacobus); Venter, Elna; University of Pretoria. Faculty of Veterinary Science. Dept. of Paraclinical Sciences. Section Pharmacology and Toxicology (2002)
    DISTRIBUTION: An active invader, often in disturbed areas and over-grazed land. Most common on the western and southern edges of the Karoo.
  • Medicago sativa and Trifolium 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: Trifolium spp. as well as Medicago spp. were imported from Europe and Asia to grow as fodder for stock. The Oudtshoorn district is responsible for about 90% of the lucerne seed produced in South Africa.
  • Panicum 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: Grows in fertile, damp soil, usually in the shade.
  • Erodium moschatum 
    Botha, C.J. (Christoffel Jacobus); Venter, Elna; University of Pretoria. Faculty of Veterinary Science. Dept. of Paraclinical Sciences. Section Pharmacology and Toxicology (2002)
    DISTRIBUTION: Exotic plant originally from Europe, growing in orchards, gardens, etc. and on disturbed soil in the south western Cape region.
  • Kalanchoe rotundifolia 
    Botha, C.J. (Christoffel Jacobus); Venter, Elna; University of Pretoria. Faculty of Veterinary Science. Dept. of Paraclinical Sciences. Section Pharmacology and Toxicology (2002)
    DISTRIBUTION: • Grassland and bushveld. • To be found in the shade of trees and bushes, usually in sandy, limestone or brackish soil
  • Persea 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: Cultivated mostly for human consumption in the temperate, frost-free subtropical regions of the country.
  • 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 ...
  • Hertia pallens 
    Botha, C.J. (Christoffel Jacobus); Venter, Elna; University of Pretoria. Faculty of Veterinary Science. Dept. of Paraclinical Sciences. Section Pharmacology and Toxicology (2002)
    DISTRIBUTION: It prefers calcareous soil, sand, loam, shale and white quartzite and can become abundant on degraded grassveld, hillsides, rocky ridges, dry river beds, in low lying areas and along roadsides. Invader on ...
  • 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.
  • Cotula nigellifolia 
    Botha, C.J. (Christoffel Jacobus); Venter, Elna; University of Pretoria. Faculty of Veterinary Science. Dept. of Paraclinical Sciences. Section Pharmacology and Toxicology (2002)
    DISTRIBUTION: It grows in damp places, near or even in water, and prefers shady areas.
  • 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.
  • Fusarium verticillioides 
    Botha, C.J. (Christoffel Jacobus); Venter, Elna; University of Pretoria. Faculty of Veterinary Science. Dept. of Paraclinical Sciences. Section Pharmacology and Toxicology (2002)
    DISTRIBUTION: A fungus that is one of the most prevalent moulds on harvested maize throughout the world. Maize is produced mainly in the North-West, the north-western, northern and eastern Free State, the Mpumalanga ...
  • Chrysocoma ciliata 
    Botha, C.J. (Christoffel Jacobus); Venter, Elna; University of Pretoria. Faculty of Veterinary Science. Dept. of Paraclinical Sciences. Section Pharmacology and Toxicology (2002)
    DISTRIBUTION: It is widely distributed in the Karoo on a variety of soil types, ecxept in brackish areas, where it does not flourish.