Carduus nutans
Học thuậtThân thiện
Definition
Noun: * A Eurasian thistle (scientific name: Carduus nutans), a perennial plant that has become established in eastern North America. It is characterized by very spiny, white-woolly leaves and large, drooping, musky-scented, crimson flower heads. It is considered a valuable source of nectar for insects.
Usage
- This term is used specifically as the common name for this plant species. It is most commonly found in botanical, ecological, agricultural, and horticultural contexts.
- Example: "The field was overtaken by Carduus nutans, its nodding purple flowers attracting swarms of bees."
Advanced Usage
- In ecological management, is often discussed as an invasive species or noxious weed outside its native Eurasian range, due to its ability to outcompete native plants.
- Example: "Land managers are implementing biocontrol measures to reduce the spread of the invasive Carduus nutans."
Variants and Related Words
- Musk thistle: The most frequently used common name for .
- Nodding thistle: Another common name, referring to its characteristic drooping flower head.
- Nodding plumeless thistle: A more descriptive common name.
Synonyms
- Musk thistle
- Nodding thistle
Notes on Different Meanings
- has only one primary meaning as the name of a specific plant species. It does not have other unrelated definitions.
Noun
- Eurasian perennial naturalized in eastern North America having very spiny white cottony foliage and nodding musky crimson flower heads; valuable source of nectar