Grass Family Definition

A large family of plants, the Poaceae (or Gramineae), characterized by usually hollow stems, sheath-forming leaves in two longitudinal rows, and minute flowers arranged in spikelets. The grasses include food plants such as wheat, rice, corn, barley, oats, and sorghum and also plants used for turf, fodder, and shelter.
American Heritage
  • family Poaceae
  • poaceae
  • family Graminaceae
  • Graminaceae
  • family Gramineae
  • gramineae

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grass family