Barnaby's thistle
- noun
- Invasive species like Barnaby's thistle can disrupt local ecosystems and outcompete native plants.
Examples
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A-Are you sure this is uncle barnaby's house?
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The weed Barnaby's thistle is often found growing in disturbed areas and fields across the eastern United States.
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Farmers are struggling to control the spread of Barnaby's thistle in their crops.
Synonyms
A spiny yellow weed from Europe with sharp flower heads that spreads and harms native plants
A European weed with spines and yellow flowers that invades fields
Surface Forms
Morphology
Barnaby's + thistle
This is a simple possessive + noun construction: 'Barnaby's' (a proper name) + 'thistle' (a plant), so a learner who knows both words will infer it denotes a particular kind or instance of thistle associated with Barnaby or named after Barnaby. They may not know the specific botanical traits, but the basic meaning 'a (specific) thistle' is directly derivable from the constituents.
Etymology
Barnaby's thistle may come from a person called Barnaby who first brought the prickly plant from Europe to new places. The word thistle shows it is a prickly plant, and that little story helps you remember it is a common 'weed' with winged stems and hairy leaves.