fruit of ricinus communis the castorbean or castor-oil-plant. green castor oil plant on the tree

agriculture background bean biology botany castor castorbean castoroilplant china chinese christi closeup communis dangerous euphorbiaceae flower foliage fruit garden gardening harvest healthy herbal medical medicinal medicine natural nature oil organic ornamental palma pharmaceutical phytotoxin plant poison poisoning poisonous ricine ricino ricinus seed sharp shrub spa thorns toxic tree tropical weed