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a plant genus of the legume family Fabaceae. There are many species and most of them are poisonous. They all contain pyrrolizidine alkaloids which cause damage in liver, lungs and in pigs in the kidney. Called also rattlepods. The diseases caused have many names including walkabout, Kimberley horse disease, stywesiekte and jaagsiekte.
Includes as causes of liver damage, lung damage and dummy syndrome in horses and cattle: C. anagyroides, C. barkae (C. geminiflora), C. burkeana, C. crispata, C. dissitiflora (gray rattlepod), C. dura (wild lucerne), C. globifera (wild lucerne), C. goreensis (Gambia pea), C. juncea (sunn hemp), C. lachnocarpoides, C. mauensis, C. mesopontica, C. mitchelli, C. mucronata, C. novae-hollandiae, C. pallida, C. polysperma (C. saltiana, C. striata), C. retusa (wedge-leafed rattlepod), C. rhodesiae, C. rotundifolia, C. sagittalis, C. spectabilis (C. retzii, C. sericea), C. steudneri (C. hispida), C. zimmermannii.
Includes as causes of esophageal ulceration in horses: C. aridicola (Chillagoe horse poison), C. medicaginea (C. trifoliastrum).
Includes as a cause of pulmonary edema: C. eremaea, C. spartioides, C. pallida.