<i>Ricinus communis</i> (IMAGE)

Max-Planck-Gesellschaft

<i>Ricinus communis</i>

Caption

The flower of the castor oil plant Ricinus communis. Scientists have now unraveled the mysteries of the action mechanism of what is regarded as one of the oldest medicinal plants known to man.

Credit

Richard Drew / <a href="http://Dreamstime.com">Dreamstime.com</a>

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