Megaphyll meaning

mĕg'ə-fĭl'
A leaf with several or many large veins branching apart or running parallel and connected by a network of smaller veins. The fronds of ferns and the leaves of gymnosperms and angiosperms are megaphylls. Megaphylls are thought to have evolved from groups of branched stems that have become fused together.
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(botany) A leaf having an internally branching system of veins, or a structure that is derived from such a leaf.
noun
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Origin of megaphyll

  • From mega- (big) + "phyll" (leaf)
    From Wiktionary