Sword grass: Difference between revisions
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'''Sword grass''' is a name used for some species of [[Poaceae|grasses]] with blades that are sharp enough to cut human skin. This is because they contain many [[silica]] [[phytolith]]s, a hardening material in many plants. The sharp blades help to discourage herbivores from grazing, |
'''Sword grass''' is a name used for some species of [[Poaceae|grasses]] with blades that are sharp enough to cut human skin. This is because they contain many [[silica]] [[phytolith]]s, a hardening material in many plants. The sharp blades help to discourage herbivores from grazing, protecting the grasses around it as well. |
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[[Category:Grasses]] |
[[Category:Grasses]] |
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Revision as of 20:48, 16 September 2006
Sword grass is a name used for 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, protecting the grasses around it as well.
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