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feldman8 - connect up the leaves The spirals could go both...

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Dr. Feldman’s Lecture Outlines - 12 Lecture 8, Shoots, primary structure -Shoot system -consists of leaves, branches, stems, flowers and fruits -Shoot apical meristem -established during embryogeny -responsible for extension growth -consist of leaf primordium (ia), bud primordia (ium) - protoderm —> epidermis -ground meristem —> pith and cortex -procambium —> primary xylem and primary phloem -Shoot system as viewed in cross section -dicot -monocot -Axillary buds -Patterns and arrangements of leaves= phyllotaxis -Fibonacci series -When leaf arrangement was examined it was found that spirals could be drawn to
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Unformatted text preview: connect up the leaves. The spirals could go both clock-wise and counter-clock-wise. The number of spirals running in the two directions is known as the Fi-bonacci number and the numbers form part of a Fibonacci series.-Leaves-petiole, blade-shape-arrangement of veins (monocot vs dicot)-anatomy-upper and lower epidermis, cuticle, stomata, palisade parenchyma, spongy parenchyma, trichomes, vascular bundles-Stem and leaf modifications-flattened stems-tendrils-modification to form spines-modifications to capture insects-modifications for food storage-bulbs-modification for water storage...
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