Castor Bean Plants (Ricinus communis), United States National Botanical Garden, Washington, DC, 2015
Castor Bean Plants (Ricinus communis), United States National Botanical Garden, Washington, DC, 2015.This attractive annual plant, originally domesticated for medicinal purposes, has also been widely used for landscaping due to its attractive summer and autumn foliage. This example was part of an exhibit of landscaping suitable to the mid-Atlantic states. Its fruit the castor bean, source of the notorious castor oil, can also be processed to yield the deadly poison ricin. -- source link
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