castor bean

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Ricinus

(ris'i-nŭs),
A genus of plants (family Euphorbiaceae) with one species, Ricinus communis, the castor oil plant, the source of castor oil; the leaves are said to be a galactagogue.
Synonym(s): castor bean
[L.]

castor bean

n.
1. The castor-oil plant.
2. The poisonous seed of the castor-oil plant, from which castor oil is obtained.

castor bean

Herbal medicine
The kernel of the seeds of Ricinus communis, which contain the highly toxic ricin and ricinine.

cas·tor bean

(kast'ŏr bēn)
Herbal agent made from the seed of Ricinus communis; widely used as a cathartic laxative; overdosage can produce gastrointestinal problems.
Synonym(s): Mexico seed, pei-ma.

castor bean

References in periodicals archive ?
In addition to these groups, other groups showed strong productive potential because they produced more than the national average for castor beans in August 2015, which was 737 kg [ha.
0 for windows was used to fit the equations to the experimental data of castor beans.
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%).
possess or transfer castor beans, nor castor bean plants; only the
Accidental exposure to ricin is highly unlikely, except through the ingestion of castor beans.
DSM says that it has been shown to be 100 per cent carbon neutral in that the carbon dioxide which is generated during its production is fully compensated by the amount of carbon dioxide absorbed in the growth phase of the castor beans.
Farmers say Global Energy Ethiopia, an American-Israeli subsidiary, initially acquired 2,700 hectares, luring farmers with false claims of continuous harvests and financial promises to grow castor beans, a toxic plant whose seed provides castor oil.
NPE2009 will be a showcase and technology exchange for polymers derived from corn, castor beans, soybeans, potatoes, tapioca, and other natural resources.
For more than a decade, DuPont has sought to source more high-end engineering polymers from corn, castor beans, and other renewable resources.
Once I realized that the poison found in castor beans was used by the KGB to assassinate Communist defectors, I invited that dangerously beautiful annual into my flower bed.
The country also plans to produce biofuel from jatropha, castor beans and oil palm plantations.