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| | Vomiting Nut Seed - ENaturalHealthCenter.com (e2121.com) |
 | | The ripe seed of Strychnos nux-vomica L., or Strychnos cheliensis Hu, a woody large vine, of the family Loganiaceae. |
 | | The vomiting nut seed is about 25 mm in diameter, orbicular, grayish or greenish-gray; soft-hairy, of a silky lustre, with a slight ridge extending from the center of one side to the edge; internally horny, somewhat translucent, very tough, with a large circular cavity, into which the heart-shaped, nerved cotyledons project. |
 | | In China, Strychnos cheliensis is mainly produced in the provinces Yunnan, Guangdong, Hainan, etc., while Strychnos nux-vomica is mainly produced outside of China, in India, Vietnam, Burma, Thailand, etc. |
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