castor bean


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Related to castor bean: castor bean plant, rosary pea

castor bean,

bean produced by Ricinus communis, a plant of the spurgespurge
, common name for members of the Euphorbiaceae, a family of herbs, shrubs, and trees of greatly varied structure and almost cosmopolitan distribution, although most species are tropical. In the United States the family is most common in the Southeast.
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 family, widely cultivated as an ornamental. Moles die when they eat the roots. It has long been used as an ordealordeal,
ancient legal custom whereby an accused person was required to perform a test, the outcome of which decided the person's guilt or innocence. By an ordeal, appeal was made to divine authority to decide the guilt or innocence of one accused of a crime or to choose between
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 poison in parts of Africa. Ricin, the toxic protein found in the bean seeds, can be extracted and used as a poison or chemical weapon, but it is not as poisonous or as readily absorbed as other such weapons. Castor oilcastor oil,
yellowish oil obtained from the seed of the castor bean. The oil content of the seeds varies from about 20% to 50%. After the hulls are removed the seeds are cold-pressed.
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 is also extracted from the beans.

castor bean

[′kas·tər ‚bēn]
(botany)
The seed of the castor oil plant (Ricinus communis), a coarse, erect annual herb in the spurge family (Euphorbiaceae) of the order Geraniales.
References in periodicals archive ?
Several studies have demonstrated the variability of the castor bean germplasm, which has allowed it to be used in breeding programs and increased its genetic basis.
Despite being an important cash crop, castor bean has never been realized as commercial crop in Pakistan and is grown on marginal land without giving much care and attention.
The first factor was the light and dark photoperiod and the second factor was the different concentrations of castor bean leaves extracts (0, 1, 2, 4, 8, 16 and 32%).
When the oil is extracted from the castor beans it is washed with water which completely removes all traces of the toxin.
are openly sold within the United States, and castor bean plants grow
Pruning native plants can enhance seed dry weight, therefore leaf area would be increased which leads to more photosynthesis and seed storage materials [1,5] with the manipulation of the castor bean growth through the pruning at different planting densities concluded that the nipping of the apical shoot at the 6th; 10th and 14th node of the main stem reduced the plant height, but it did not affect seed yield.
Azalea, Belladonna, Bird of paradise, Bulbs (hyacinth, narcissus family), Calla filly, Cardinal flower, Castor bean.
Unrefined castor oil, also called the Palma Christi, contains ricin from the castor bean, a counterirritant with marvelous lymphatic-stimulating and pain-relieving properties.
The Orgasol Green Touch life cycle starts with the castor bean plant named Ricinus communis.