Definition

1. Noun:
   • A widely distributed perennial sedge having small edible nutlike tubers: Cyperus rotundus is the scientific name for a perennial plant species in the sedge family (Cyperaceae). It is characterized by its grass-like appearance, triangular stems, and the production of small, round, edible tubers underground. It is found in many tropical and temperate regions worldwide.

Usage Examples

• Noun:
  • The field was infested with Cyperus rotundus, making it difficult to grow crops.
  • Farmers consider Cyperus rotundus one of the world's most problematic weeds.
  • Despite being a weed, the tubers of Cyperus rotundus are sometimes used in traditional medicine.

Advanced Usage

• In Botanical/Ecological Context: The term is used precisely in scientific and agricultural writing to identify the specific species, often discussing its invasive nature, biology, or control methods.
  • The study focused on the allelopathic effects of Cyperus rotundus on rice seedlings.
• In Ethnobotany/Herbalism: The term is used when discussing the plant's historical or contemporary uses by humans.
  • Extracts from Cyperus rotundus have been analyzed for their potential pharmacological properties.

Variants and Related Words

• Common Names: The species is known by many common names including nutgrass, nutsedge, coco grass, and purple nutsedge. These are not synonyms for the scientific term but refer to the same plant.
  • Nutgrass (Cyperus rotundus) is hard to eradicate because of its deep tubers.
• Related Species: Other species within the genus, such as (yellow nutsedge).
  • Both Cyperus rotundus and Cyperus esculentus are invasive sedges.

Synonyms

• Scientific Synonym: There are no direct single-word synonyms for the precise scientific binomial . In general contexts, nutsedge or nutgrass can be used to refer to this plant, but these terms are less specific and may refer to similar species.

Related Phrases/Compounds

• "Cyperus rotundus L.": The abbreviation "L." following the name stands for "Linnaeus," indicating Carl Linnaeus as the authority who first formally described the species.
  • The complete taxonomic citation is Cyperus rotundus L.
• "Tubers of Cyperus rotundus": A common phrase specifying the part of the plant used.
  • The tubers of Cyperus rotundus are collected for herbal preparations.

Noun

1. a widely distributed perennial sedge having small edible nutlike tubers