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The top documents tagged [trilobed structures]
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trilobed structures
K: Plantae Div: Sphenophyta “horsetails or scouring rushes” n Evolved during the Devonian Period (395 mya); one of the dominants during the Caboniferous.
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K: Plantae Div: Sphenophyta “horsetails or scouring rushes”
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K: Plantae Div: Sphenophyta “horsetails or scouring rushes” n 1. Silica in cell walls. n 2. Leaves microphyllous; small and scalelike; form whorls at nodes.
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