单词	microphyll
释义	microphyll /ˈmʌɪkrə(ʊ)fɪl / noun Botany A very short leaf, such as in a moss or clubmoss, with a single unbranched vein and no leaf gaps in the stele.Are the leaves microphylls as in lycopsids or megaphylls?... The microphyll has only a single unbranched strand of vascular tissue, or vein, whereas megaphylls, found in other plants with leaves, have multiple veins, usually branching one or more times within the leaf. The only lineage that has survived is the horsetails, which are herbaceous and share characters with their extinct progenitors such as articulate stems with microphylls arranged in whorls.
随便看	a bundle of joy a bundle of nerves abura ab urbe condita aburn a burr under someone's saddle aburst abusable abusage abuse abusee abuseful abusefully ab-usefulness abusement abuse of notation abuser Abu Simbel abusive abusively abusiveness a busman's holiday abustle abusée abut

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