boulder fern
- noun
- /ˈboʊldər fɜrn/
- Specialized
:
helecho boulder
- The pale green fronds of the boulder fern stood out against the forest floor.
Examples
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Botanists appreciate the distinctive hay-like aroma of the boulder fern during field research.
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The boulder fern thrives in moist, shaded areas.
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We came across a patch of boulder fern while hiking in the Appalachian Mountains.
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I found a boulder fern growing near the creek.
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The pale green fronds of the boulder fern covered the damp soil in the forest.
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As we walked through the woods, the sweet hay-like scent of the boulder fern filled the air.
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During our hike, we discovered a beautiful cluster of boulder fern nestled among the rocks.
Synonyms
A fern with pale green divided leaves that smells like hay
A plant with pale green feathery leaves that smells like hay when touched
Surface Forms
Morphology
This is a straightforward noun–noun compound where 'boulder' (large rock) modifies 'fern' (a type of plant), so the meaning is a kind of fern associated with boulders or rocky places. Such compositional plant names are cross-linguistically common, so an average B1 learner who knows both words can readily infer the MWE's meaning.
Etymology
Boulder fern The name boulder fern comes from where the plant often grows — on large rocks called boulders — and from the fact that it is a fern, so imagine a pale green fern clinging to a stone. Its pale leaves and a 'hay-like' smell make that image help you remember this small species, so the name tells you both what it is and where it lives.
