burweed marsh elder
Học thuậtThân thiện
Definition
Noun: 1. A tall annual plant: A North American plant of the genus Iva, specifically Iva xanthifolia, that grows in moist, fertile soil. It is known for producing large amounts of pollen, which is a significant allergen and cause of hay fever. The plant can also cause skin irritation (contact dermatitis) upon touch.
Usage
- The term "burweed marsh elder" is used specifically to identify this particular plant species, especially in botanical, agricultural, or medical contexts related to allergies.
- It functions as a compound noun where "burweed" describes its burr-like seeds and "marsh elder" indicates its family relation and typical habitat.
Examples
- Noun:
- Farmers are trying to control the spread of burweed marsh elder in the fields.
- My hay fever gets much worse in late summer when the burweed marsh elder pollinates.
- Wear gloves when removing that plant; it might be burweed marsh elder and could irritate your skin.
Advanced Usage
- The plant is sometimes referred to more broadly within the context of "noxious weeds" or "allergenic plants" in environmental and public health advisories.
Variants and Related Words
- Botanical Name:
- Common Names: giant sumpweed, tall marsh elder
- Marsh elder: The common name for plants in the genus , to which burweed marsh elder belongs.
Synonyms
- giant sumpweed
- tall marsh elder
Notes
- "Burweed marsh elder" is a fixed compound term for this specific plant. It is not commonly used in idioms or phrasal verbs.
Noun
- tall annual marsh elder common in moist rich soil in central North America that can cause contact dermatitis; produces much pollen that is a major cause of hay fever