bitterweed
Definition
- Noun:
- A plant of the genus Ambrosia: Any of numerous, chiefly North American weedy plants that produce highly allergenic pollen responsible for much hay fever and asthma.
- A European weed (Picris echioides): A widespread European weed with spiny, tongue-shaped leaves and yellow flowers, which has become naturalized in the United States.
Usage Examples
Noun (Genus Ambrosia):
- The fields were overrun with bitterweed, causing problems for allergy sufferers.
- Farmers try to control bitterweed because its pollen triggers severe reactions.
Noun (European weed):
- The bitterweed along the roadside had bright yellow flowers.
- This particular bitterweed is identified by its rough, spiny leaves.
Advanced Usage
- As a collective term: "Bitterweed" can sometimes be used informally to refer to other plants with a similarly bitter taste or weedy nature, though this is not the primary botanical definition.
- Locals call any pungent, invasive herb in that field "bitterweed."
Variants and Related Words
- Ragweed: The more common name for plants in the genus referred to in the first definition.
- Bristly oxtongue: A common name for , the European plant in the second definition.
- Weed: A general term for an unwanted, invasive plant.
Synonyms
- Ambrosia (for the first definition)
- Ragweed (for the first definition)
- Bristly oxtongue (for the second definition)
Notes on Meaning
The word "bitterweed" has two distinct botanical meanings: 1. It primarily refers to a group of North American plants (ragweeds) known for causing allergies. 2. It also refers to a specific, spiny-leaved European weed that has spread to other regions. The connection between the two is their status as invasive, troublesome weeds.
Noun
-
any of numerous chiefly North American weedy plants constituting the genus Ambrosia that produce highly allergenic pollen responsible for much hay fever and asthma
-
widespread European weed with spiny tongue-shaped leaves and yellow flowers; naturalized in United States
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