Ricinus

Ricinus (family Euphorbiaceae) A monotypic genus, R. communis, the castor-oil plant, a treelet of Africa now widely naturalized elsewhere. The seeds are poisonous but contain a valuable oil.

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MICHAEL ALLABY. "Ricinus." A Dictionary of Plant Sciences. 1998. Encyclopedia.com. 12 Feb. 2012 <http://www.encyclopedia.com>.

MICHAEL ALLABY. "Ricinus." A Dictionary of Plant Sciences. 1998. Encyclopedia.com. (February 12, 2012). http://www.encyclopedia.com/doc/1O7-Ricinus.html

MICHAEL ALLABY. "Ricinus." A Dictionary of Plant Sciences. 1998. Retrieved February 12, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O7-Ricinus.html

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