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| dc.contributor.author | Botha, C.J. (Christoffel Jacobus)
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| dc.contributor.author | Venter, Elna
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| dc.contributor.other | University of Pretoria. Faculty of Veterinary Science. Dept. of Paraclinical Sciences. Section Pharmacology and Toxicology | |
| dc.coverage.spatial | Africa | en |
| dc.coverage.spatial | South Africa | en |
| dc.date.accessioned | 2008-12-19T11:05:10Z | |
| dc.date.available | 2008-12-19T11:05:10Z | |
| dc.date.issued | 2002 | |
| dc.description | Colour photos. Final web-ready size: JPEG, 72 ppi. Photo 1: 25.3 kb; Photo 2: 17.8 kb; Photo 3: 25.4 kb, Photo 4: 10.5 kb, Photo 5: 28.4 kb. Original TIFF file housed at the Dept. of Paraclinical Sciences, Section Pharmacology and Toxicology, University of Pretoria. | en |
| dc.description.abstract | 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. | en |
| dc.description.abstract | BOTANICAL DESCRIPTION: Hypericum aethiopicum General: A herb, 20 - 50 cm high with a perennial woody underground root system and annual, mostly unbranched, gland-dotted stems. Leaves: Small, ovate, stalkless, in opposite pairs. Usually dotted with small dark glands. Flowers: Yellow, with reddish-brown sepals, near the tips of the stems. September - March. Fruit: A 3-chambered papery capsule, containing many fine seeds. | en |
| dc.description.abstract | TOXIC PRINCIPLE: Photodynamic agent: hypericin. Hypericin is a red-fluorescent pigment contained especially in glands (black dots) in the leaves, stems and petals. | en |
| dc.description.abstract | SYNDROMES: Primary photosensitivity. | en |
| dc.description.abstract | SYSTEMS AFFECTED: Liver. | en |
| dc.description.abstract | CLINICAL SIGNS: All animal species are affected when the plants are eaten. Horses are especially sensitive. Poisoning is rare, however. Photodermatitis without icterus. | en |
| dc.description.abstract | TREATMENT: Keep in shade. Symptomatic treatment of the skin. Antihistamines. Corticosteroids. | en |
| dc.description.uri | http://www.library.up.ac.za/vet/poison | en |
| dc.identifier.citation | Botha, CJ & Venter, E 2002, 'Plants poisonous to livestock Southern Africa (CD-ROM)' University of Pretoria, Faculty of Veterinary Science, Dept. of Paraclinical Sciences, Section Pharmacology and Toxicology, Pretoria, South Africa. | en |
| dc.identifier.uri | http://hdl.handle.net/2263/8502 | |
| dc.rights | ©University of Pretoria. Dept. of Paraclinical Sciences, Section Pharmacology and Toxicology (Original and digital). Provided for educational purposes only. It may not be downloaded, reproduced or distributed in any format without written permission of the original copyright holder. Any attempt to circumvent the access controls placed on this file is a violation of copyright laws and is subject to criminal prosecution. Please contact the collection administrator for copyright issues. | en |
| dc.source | Original format: University of Pretoria, Faculty of Veterinary Science. | en |
| dc.subject | Plant poisoning | en |
| dc.subject | Toxicology | en |
| dc.subject | Plant poisoning in animals | en |
| dc.subject | Poisonous plants | en |
| dc.subject | Photosensitivity | en |
| dc.subject | Hypericin | en |
| dc.subject.lcsh | Poisonous plants -- Toxicology -- Africa, Southern | en |
| dc.subject.lcsh | Veterinary toxicology | en |
| dc.title | Hypericum species | en |
| dc.title.alternative | Hypericum aethiopicum | en |
| dc.title.alternative | St. John's Wort | en |
| dc.title.alternative | Johanneskruid | af |
| dc.title.alternative | Vlieëbossie | af |
| dc.title.alternative | Hypericum lanceolatum | en |
| dc.type | Still Image | en |
