Definition

1. Proper noun:
   • A large family of flowering plants: "grass family" is the common name for the plant family Poaceae (also known as Gramineae). This family is characterized by plants with hollow, jointed stems (culms), narrow leaves with parallel veins, and flowers arranged in spikelets. It is one of the most economically important plant families, including major cereal crops, grasses for grazing, and species used for turf, construction, and sugar production.

Usage

• The term "grass family" is used in botanical, agricultural, and ecological contexts to refer collectively to all species within the family Poaceae. It is a taxonomic grouping.
• Example: "Wheat, rice, and corn all belong to the grass family."
• Example: "Understanding the evolution of the grass family is key to improving cereal crops."

Advanced Usage

• Ecological Dominance: The grass family is noted for its ecological success, dominating large ecosystems like prairies, steppes, and savannas.
  • The spread of the grass family transformed landscapes and supported the evolution of grazing mammals.
• Taxonomic Context: In scientific writing, the formal names "Poaceae" or "Gramineae" are often preferred, but "grass family" remains common in general and educational texts.
  • The study focused on several genera within the grass family.

Variants and Related Words

• Poaceae (n): The scientific, Latin name for the grass family.
• Gramineae (n): An alternative, older family name for Poaceae, still used in some contexts.
• Grass (n): A common term for many plants within the Poaceae family, typically referring to low-growing species used for lawns or pasture.
• Cereal (n): A type of grass cultivated for its edible grain (e.g., wheat, oats, maize), all members of the grass family.
• Bamboo (n): A group of woody, perennial plants within the grass family.

Synonyms

• Poaceae: The direct scientific synonym.
• Gramineae: The alternative scientific synonym.

Notes on Meaning

• The "grass family" specifically refers to the taxonomic family. It is not a general term for any grassy-looking plant. Other families, like sedges (Cyperaceae) or rushes (Juncaceae), may resemble grasses but are not members of Poaceae.
• Its immense economic importance stems from providing the world's staple food crops (cereals), sugar (sugar cane), fodder for livestock, and materials like bamboo.

Noun

1. the grasses: chiefly herbaceous but some woody plants including cereals; bamboo; reeds; sugar cane