释义 |
leafy spurgenounA perennial Eurasian herb that produces a flat-topped cluster of yellow bracts bearing small flowers. It is a noxious weed in prairie and grassland areas of the US, where it aggressively displaces native plants.- Euphorbia esula, family Euphorbiaceae.
As agriculture expanded onto the prairies, wild oats and sow thistle, leafy spurge and Canada thistle migrated westward....- Canada thistle and leafy spurge are two noxious weed species that are increasing in Nebraska.
- Currently there are six noxious weeds in Nebraska, including Canada thistle, plumeless thistle, musk thistle, leafy spurge, spotted knapweed, and diffuse knapweed.
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