Ricinus
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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 subtri
Ricinus March 2010 1
Young plant
Green variant after blooming, with developing seed capsules
Leaf
Ricin
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Ricin is a lectin and a highly potent toxin produced in the seeds of the castor plant, Ricinus communis. The median lethal dose of ricin for mice is around 22 micrograms per kilogram of body mass via
Ricinus
…of castor oil, which has a wide variety of uses. The seeds contain 40–60% oil that is rich in triglycerides, mainly ricinolein. The seed also contains ricin, a highly potent water-soluble toxin. Ricinus communis can vary greatly in its growth habit and appearance. The variability has been increased by…
Castor beans
Castor oil seeds in the Royal Botanic Gardens, Kew Economic Botany Collection
A metal vial containing ricin from the 2003 ricin letters
Ricin toxin, RiVax, RTA1-33/44-198, and a single domain antibody-antigen complex with the RTA1-33/44-198 immunogen. Original figure can be found in Legler, et al.