castor bean

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Related to Castor oil plant: ricin, castor bean plant, castor beans

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 ?
The hydroethanolic extracts of wild castor oil plant (WS) and 'Mirante' (MS) seeds, and of wild plant (WL) and 'Mirante' (ML) leaves were tested at 1% (10,000 ppm) obtained by mixing 0.
Leaves of castor oil plants (cultivars BRS Energia and BRS Paraguacu) were collected and subjected to different nitrogen doses at a stage of full development before flowering to measure the photosynthetic pigments with portable equipment and to extract them using a classical model.
Within hours, our reporter had bought the castor oil plant and other ingredients needed to make the poison.
The castor oil plant is a bio plant that has the ability to
FATSIA JAPONICA ALSO known as the castor oil plant, this tropical-looking evergreen with its fantastic deep-green, leathery leaves looks great when other plants around it have faded.
To make interesting personalised dining table name 'cards' use a gold pen and write your guests names on lush green castor oil plant leafs.
Fatsia japonica, also known as the castor oil plant or aralia, has fantastic shining leaves measuring more than 1ft across and is particularly suitable for seaside gardens or as a specimen bush in a city garden.
Fatsia japonica,also known as the castor oil plant or aralia,has fantastic shining leaves measuring more than a foot across and is particularly suitable for seaside gardens or as a specimen bush in a city garden.
Q I HAVE a healthy castor oil plant which is about 4ft high and stands on a table in a north-facing window.
The castor oil plant (Ricinus communis) is another winner, with its big purple-flushed leaves and clusters of spiky red seed pods.
We have identified three salt tolerant plants including Jatropha, Salicornia and Castor oil plant which could grow in salt marshes on sea beaches and could even sustain for five years without water.
It is, of course oil extracted from the large seeds of the castor oil plant, Ricinus communis.