Definitions for "Microphyll"
leaf vascularized by a single vascular bundle that is not associated with a leaf gap in the stele; this type of leaf is typical of the lycopods; compare to megaphyll
small leaf, without veins
A leaf with a single vascular strand, characteristic of lycophytes. Lycophyte leaves appear to have evolved independently from leaves seen in other vascular plants which exhibit more than one vascular strand (megaphyll).