| NOUN | plant | Euphorbia lathyris, caper spurge, myrtle spurge, mole plant | poisonous Old World spurge |
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| Meaning | poisonous Old World spurge; adventive in America; seeds yield a purgative oil. | |
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| Synonyms | caper spurge, myrtle spurge, mole plant | |
| Member of | Euphorbia, genus Euphorbia | type genus of the Euphorbiaceae |
| Broader | spurge | Any of numerous plants of the genus Euphorbia |