Polygonum
/pɔ'ligənəm/
Học thuậtThân thiện
Definition
Noun: 1. A genus of plants: Polygonum is the scientific name for a large and diverse genus of flowering plants, typically herbs or low-growing shrubs, commonly found in temperate regions of the Northern Hemisphere. Many species are known for their jointed stems and small flowers.
Examples of Usage
- Noun:
- The field was edged with a common polygonum, its tiny pink flowers attracting bees.
- Botanists are studying the ecological role of various polygonum species in wetland habitats.
- Some polygonum plants, like knotweed, can be very invasive.
Advanced Usage
- In botanical taxonomy: The term is used precisely to refer to members of the genus within the family Polygonaceae. It is a formal taxonomic category.
- The specimen was keyed out and identified as Polygonum aviculare.
Variants and Related Words
- Polygonaceae (n): The plant family to which the genus belongs, also known as the knotweed or buckwheat family.
- Knotweed (n): A common name for many species within the genus, referring to the swollen nodes on their stems.
- Smartweed (n): Another common name for certain species, particularly those with a pungent taste.
Synonyms
- Knotweed (common name)
- Smartweed (common name)
Related Idioms or Phrases
(This word is a specific scientific term and is not commonly used in idiomatic expressions.)
Noun
- diverse genus of herbs or woody subshrubs of north temperate regions