castor-oil plant burgundy red close-up, spiked fruit with figured leaves

aroma autumn background bean bloom blossom botanical botany bright burgundy castor castorbean castoroil closeup color colorful communis danger dangerous decorative flora flower fluffy foliage fruit garden gardening green herbal industrial leaf medicinal medicine natural nature oil ornamental pharmaceutical plant poison poisonous purgative red ricin ricino ricinus saturated scarlet season seasonal september shrub spiked spikes structure toxic tropical vertical