Ricinus Small 165×320 Medium 329×640 Large 527×1024 Download Tiff Original 1234×2400 | (749.0 KB) Description Seed of Ricinus or Castor-oil plant, with caruncle. Keywords Botany, plants, pollen, pollination, seeds Galleries Flowers and Shrubs: Q-R Source: Asa Gray The Elements of Botany for Beginners and for Schools (New York, Cincinnati, Chicago: American Book Co., 1887)
