taxonomy taxonomic classification root maize maizeroot monocot monocotroot primaryplantbody primary structure corpus tunica plerome periblem dermatogen histogen apicalcell tunicacorpustheory histogentheory apicalcelltheory histologicalorganizationofrootandshootapices histologicalorganizationofshootapex histologicalorganizationofrootapex histologicalorganization histology primitive primitiveangiosperms extinctgenuscycadeoidea flower strobilus magnolia williamsonniella cycadeoidea originandevolutionoffloweringplants evolutionofangiosperms originofangiosperms bennettitalean bennettitaleantheory bennettitales majorherbariaofindia majorherbariaofworld indianherbaria worldherbaria herbariumfunctions herbariumdefinition herbariumobjectives herbarium systematics botany international code of nomenclature international code of botanical nomenclature icn icbn plant nomenclature common names scientific names nomenclature carl von linné carolous linnaeus binomial nomenclature system embryo modern taxonomy embryology classification of flowering plants john hutchinson phylogenetic systems systems of classification hutchinson's annonaceae seed annonaceae fruit annonaceae gynoecium annonaceae androecium annonaceae corolla annonaceae calyx annonceae flower annonaceae inflorescence annonaceae leaf annonaceae stem annonaceae root annonaceae economic importance annonaceae floral diagram annonaceae floral formula annona muricata annona reticulata annona squamosa annonaceae cell organelles cell biology structure and function of golgi complex golgi dictyyosomes golgi bodies golgi complex golgi apparatus foliar roots trapa adventitious tap rootless plants root functions root types root characteristics middle layers endothecium pollen mother cell archesporium stamen tapetum microspore anther
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