fruits from which the castor oil is extracted, plant ricinus communis

acid agriculture alternative background bean botanic botany bouquet castor castorbean communis detail endosperm entomophily environment euphorbiaceae extraction fatty friendly fruit fuel green guentermanaus leaf medicinal nature oil outside plant pods poison protein purgative ricin ricinolein ricinus salt seed seeds soluble spurge synthesized table thorny toxic toxin trees triglycerides water white