A new highly toxic species of Omithogalum, O. toxicarium from central South Africa and southern Namibia is described Symptoms in small livestock correspond with 'krimpsiekte' and not with typical Ornithogalum (chinchernchee) poisoning The plant is characterised by a dwarf stature, filiform leaves, capitate inflorescence, large capsule and large winged seeds. Keywords: Acute cardiac glycoside intoxication, Namibia, new species, Omithogalum, South Africa.