| Plant: A large herb or shrub 4 to 8 feet tall with smooth, round, red
stems. It is common in disturbed ground or along roads throughout,
blooming the year round. Although the seed of R. communis
is the source of castor oil, long used as a laxative, the plant is very
toxic to humans and poisons livestock and poultry when eaten. The
Toxin in Ricin. Invasive |
