The genus Ricinus has only one known species: the castor oil plant. The plant possibly originates from Africa and Asia and now is widespread throughout temperate, subtropical, and tropical areas, growing as an invasive plant or being cultivated for different purposes.
Jun 6, 2019
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Ricinus communis - Plant Finder - Missouri Botanical Garden
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Ricinus communis, commonly called castor bean, is probably native to tropical Africa. It is an erect, rapid-growing tender perennial that is grown in St. Louis ...
Ricinus
Plant
Ricinus communis, the castor bean or castor oil plant, is a species of perennial flowering plant in the spurge family, Euphorbiaceae. It is the sole species in the monotypic genus, Ricinus, and subtribe, Ricininae. Wikipedia
This plant is native to tropical east Africa, but it has naturalized and weedy in many tropical and subtropical areas around the world including the United ...
Deduced from experimental intoxication of animals, orally applied ricin passes through stomach and small intestine within 24 h. Most of the ricin has reached ...
What ricin is. Ricin is a poison found naturally in castor beans. If castor beans are chewed and swallowed, the released ricin can cause injury.