EntityQ3289310· pop 7· linked from 44 articlesmicrophyllSign in to saveplant leaf with one single, unbranched leaf veinConnectionsplantEntityevolutionEntityleafEntityfossilEntitydigital object identifierEntityGymnospermaeEntityEquisetumEntityQ180686EntityJSTOREntitybibcodeEntityhomologyEntityliving fossilEntityplant anatomyEntityLycopodiopsidaEntityIsoetesEntityLepidodendronEntitysteleEntityPsilotumEntityRhyniopsidaEntityAsteroxylonEntityCategoriesLeaf morphologyPlant anatomyPlant physiology