• Source: Sword grass

      • Sword grass may refer to:

      Some species of grasses with blades that are sharp enough to cut human skin (this is because they contain many silica phytoliths, a hardening material in many plants. The sharp blades help to discourage herbivores from grazing (also protecting the grasses around it)), including:
      Gahnia species
      Imperata cylindrica (cogon grass)
      Poa ensiformis
      Moths and butterflies:
      Xylena exsoleta (sword-grass)
      Xylena vetusta (red sword-grass)
      Tisiphone abeona (sword-grass brown)
      Tisiphone helena (northern sword-grass brown)

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