caper spurge
- noun
- /ˈkeɪpər spɜrdʒ/
- Specialized
- The gardener warned me that the caper spurge is poisonous and should not be touched.
Examples
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Children should be taught to avoid the caper spurge, as its oil can be harmful.
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In the landscape, the yellow flowers of the caper spurge stand out among the greenery.
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Caper spurge
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Synonyms
A poisonous plant from southern Europe whose seeds make an oil that causes severe diarrhea
A garden plant that is poisonous and grown to keep moles away
Surface Forms
Morphology
caper + spurge
The constituent 'spurge' signals a plant in the spurge family, so a learner who knows both words can plausibly infer this is a type of plant. However, 'caper' functions as a species-specific modifier with no transparent link to the detailed meaning (poisonous, seeds yielding purgative oil), and botanical names are largely lexicalized and unpredictable, so the overall interpretation is only partially recoverable.
Etymology
Caper spurge mixes two old ideas: spurge comes from a word meaning 'to purge' because people used the plant's milky sap as a strong medicine, and caper may come from the look of its seeds or leaves, like the caper plant. So, the name helps you remember it is a plant with a strong, often poisonous sap whose seeds were used as a 'purgative'.