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Castor Bean

Ricinus communis

Description:

Seeds are source of both castor oil and ricin, a toxin. Four to eight seeds may be enough for a lethal adult dose. Symptoms include: "nausea, diarrhea, tachycardia, hypotension and seizures persisting for up to a week." Extracts from leaves and pericarp have been shown to have medicinal affects, such as antimicrobial and hepatoprotective properties.

Habitat:

UC Riverside campus

Notes:

Invasive species in some areas of the United States, including California.

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Max Brodie
Spotted by
Max Brodie

Riverside, California, USA

Spotted on Dec 7, 2012
Submitted on Feb 20, 2013

Reference

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