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Ricinus - Wikipedia

Ricinus communis, the castor bean[1] or castor oil plant, [2] is a species of perennial flowering plant in the spurge family, Euphorbiaceae. It is the sole species in the monotypic genus, Ricinus, and …

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Castor Oil: Uses and Benefits - WebMD

2025年7月23日 · Castor oil is a thick, odorless oil made from the seeds of the castor plant, which dates to ancient Egypt, where it was used in medicinal and beauty treatments

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Castor-oil plant | Description, Uses, & Ricin | Britannica

2026年4月1日 · Probably native to tropical Africa, the castor-oil plant has become naturalized throughout warm areas of the world. The plants are chiefly cultivated in India, China, and Brazil, largely as the …