castor bean, or ricinus communis flowers on a bush

castor bean or ricinus communis flowers bush entomophily flower blossom oilseed closeup biodiesel fuel inflorescence angiosperm poisonous blossoming palmate blossoms garden plant nature oil ricin seed medicinal castorbean euphorbiaceae leaf green summer castoroilplant ricininae toxin red spurge outdoor seeds leaves watersoluble extract ricinolein triglycerides health alcoholic