Vascular Differentiation in Plants

acropetal differentiation Amer apical meristem auxin axillary buds basipetal differentiation bundles callus cambium concept connection contact parastichies cortex cotyledonary cotyledons delimited developmental dicotyledons differentiates acropetally differentiation of procambium elongation embryo endodermis entiation epicotyl Esau explant ferns Figure ground tissue hypocotyl induction initial vascular internode Jacobs and Morrow leaf gaps leaf primordia leaf traces leaf-trace leaves Linum longitudinal mature xylem metaxylem monocotyledons morphogenesis node nodules occurs ontogenetic parastichy sectors parenchyma pericycle phloem phloem differentiation phloem elements phyllotactic phyllotaxis pith plastochronic intervals primary vascular system primary xylem procambial differentiation procambial strands procambium protoxylem regeneration relation residual meristem secondary walls sections seed plants seedling shoot apex sieve elements sieve tubes Sloover stage stele stem studies sympodia sympodium tion Torrey tracheary elements transections vacuolated vascular cambium vascular cylinder vascular differentiation vascular elements vascular region vascular system vascular tissue veins Wardlaw Wetmore xylem and phloem xylem differentiation xylem elements