boll
burgundy
castor
castor bean plant
castor oil plant
cultivation
dangerous
exotic
flora
flower
foliage
fruitful
garden
garden plant
herbal medicine
ingredient
medical
medicinal plant
medicine
nature
oil
pharmaceutical
phytotoxin
poison
prickly
red fruit
ricine
ricinus
ricinus communis
rural
shrub
spike
spiny plant
structure
summer
toxicity
toxin
tropical
wild plant