Lupinus contains a large number of species. Several varieties are cultivated:
Lupinus luteus, L. albus, L. hirsutus and L. angustifolius. A member
of the plant family PAPILIONACEAE. Ornamental and fodder plants, with palmate composite
leaves or leaflets. The deeply-lobed, colourful flowers are borne on a terminal raceme,
the fruits developing into flattened downy pods, often constricted between the black
Animals most affected
Horses, cattle, sheep, pigs.
Ingestion of fresh or dried plant material
including the pods and seeds. Poisoning, termed lupinosis, is rare.
Contains the alkaloids sparteine, and olupinine
or lupanine, with levels varying according to the species. Cultivated garden lupins
contain fewer alkaloids. Drying does not modify the toxicity of the plant; the alkaloids
are not destroyed by desiccation.
Oral doses not well established:
500g plant/day for 15 days
anorexia, dyspnoea, constipation, cyanosis of mucosae;
death in several hours or 1-5days due to respiratory paralysis.