genus Cicuta
Học thuậtThân thiện
Definition
Noun: 1. A small genus of poisonous plants: Genus Cicuta is a taxonomic classification for a small group of perennial herbaceous plants. These plants are characterized by having tuberous roots that contain a powerful, deadly poison. The most common name for plants in this genus is water hemlock.
Usage Notes
- This term is used in scientific, botanical, and academic contexts. It is the formal Latin name for the group of plants commonly called water hemlock.
- It is always written in italics ( or simply ) in scientific writing, following the convention for genus names.
- It is a singular noun. When referring to multiple types within this group, one would say "species of " or "members of the genus ."
Examples
- Scientific Classification: " belongs to the family Apiaceae, which also includes carrots and parsley."
- Botanical Description: "The toxic compound cicutoxin is found throughout species, but is most concentrated in the tuberous roots."
- Warning Context: "Foragers must be able to distinguish between edible plants and the deadly ."
Advanced Usage
- In Toxicology: The term is used when discussing plant-based poisons. Example: "Intoxication from species results in violent seizures and is often fatal."
- In Ecological Studies: It is used to describe the plant's role in an ecosystem. Example: "The wetland habitat is dominated by (spotted water hemlock)."
Variants and Related Words
- Cicuta (n): The abbreviated form of the genus name, used interchangeably in scientific literature (e.g., , ).
- Water hemlock (n): The common name for plants in . This is the term used in non-scientific contexts.
- Cowbane (n): Another common name for some species within this genus.
- Cicutoxin (n): The name of the potent, unsaturated alcohol responsible for the plant's extreme toxicity.
Synonyms
- Water hemlock (common name)
- Cowbane (common name for some species)
Notes on Meaning
- The core meaning is strictly botanical and toxicological. It refers specifically to a taxonomic group of highly poisonous plants native to temperate regions of the Northern Hemisphere.
- It should not be confused with , which is poison hemlock, a different but also deadly plant in the same family (Apiaceae).
Noun
- small genus of perennial herbs having deadly poisonous tuberous roots: water hemlock