Ricinus communis is an annual evergreen shrub that can grow from 3.3-16.4 ft. (1-5 m) tall.
Foliage
Stems are red to green or purple in color. Leaves are alternate, peltate, petiolate, palmate, toothed, and can be 11.8 in. (30 cm) across.
Flowers
Flowers are apetalous (without petals), pediculate with 5-parted calyx and many branching stamens and yellow anthers. Blooming occurs from August to November.
Fruit
Capsules are red, green or purple in color, covered in dense sharp spines, 0.6 in. (1.5 cm) in diameter, and contain 3 seeds. Seeds are mottled in color with black and copper colors.
Ecological Threat
Ricinus communis can be found in disturbed areas such as in fields, pastures and along roadsides and railroads. It is native to Asia. Be aware, this plant is extremely toxic to humans and consuming just a few seeds can be fatal.