Englishfor English speakers
fern
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noun
any of numerous flowerless and seedless vascular plants having true roots from a rhizome and fronds that uncurl upward; reproduce by spores
petiole
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noun
the slender stem that supports the blade of a leaf
sawfly
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noun
insect whose female has a saw-like ovipositor for inserting eggs into the leaf or stem tissue of a host plant