castor bean plant, ricinus communis

acalypheae acalyphoideae bean big botanical botany bright brown capsules castor coarse color communis danger dark deeply details edges euphorbiaceae glossy green has huge hybrid large leaves lobed malpighiales medicinal medicine nature oil palmate plant pointy poison poisonous purposes red reddish ricininae ricinus seed segments source spherical spiny spurge stems thick toothed used