Kalanchoe rotundifolia

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Botha, C.J. (Christoffel Jacobus)
Venter, Elna

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Abstract

DISTRIBUTION: • Grassland and bushveld. • To be found in the shade of trees and bushes, usually in sandy, limestone or brackish soil
BOTANICAL DESCRIPTION: General: An erect or straggling perennial succulent herb, growing up to 1 m high and usually sparsely branched. Occuring in colonies. Leaves: The blue-green leaves are elliptical to rounded with a whitish bloom. The margins can be scalloped or lobed and the tips rounded. Flowers: Star-shaped flowers are borne in a sparse branched inflorescence on a long stalk. Red to orange. All flower parts are in fours. March to December.
TOXIC PRINCIPLE: Cumulative neurotoxic bufadienolides
SYSTEMS AFFECTED: Central nervous system.
CLINICAL SIGNS: • Krimpsiekte is basically a paretic syndrome. • Affected animals lag behind the flock. • When forced to move, they tire easily and lie down or stand trembling, typically with the feet together, the back arched and the head low. • The neck may be twisted and the head may dangle loosely as the animal walks. • The incidence of krimpsiekte is highest in goats, then in sheep.
NECROPSY: Macroscopic pathology: Not specific – rather negative.
TREATMENT: No treatment for krimpsiekte.

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Colour photos. Final web-ready size: JPEG. Photo 1: 16.5 kb, 72 ppi; Photo 2: 7.39 kb, 72 ppi; Photo 3: 28.5 kb, 96 ppi; Photo 4: 19.8 kb, 72 ppi; Photo 5: 43 kb, 72 ppi. Original TIFF file housed at the Dept. of Paraclinical Sciences, Section Pharmacology and Toxicology, University of Pretoria.

Keywords

Plant poisoning, Toxicology, Plant poisoning in animals, Poisonous plants, Krimpsiekte, Bufadienolides, Kalanchoe lanceolata

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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.