MW1' Schema van een DC kiemplant

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(No Transcript)
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From Plant architectureto Leaf architecture
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Content
Root, morphology anatomy Stem DC, structure
function Stem MC, structure function Leaf
trace(s) leaf gap(s) how to connect
? Petiole not so simple ! Leaf blade
looking for a typology Betulaceae unity in
diversity Dentation with or without nerves ?
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From root to stem to node to petiole to leaf
a continuum
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Embryos and seedlings of Dicots Monocots
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Seedlings of Dicots Monocots
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Root system the hidden half
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Root system the surface
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Primary root, lateral root, adventitious root
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AllorrhizyHomorrhizy
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Primary rootmorphologyanatomy
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Primary roottransverse section actinostele
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Primary root in Ranunculus
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Primary root central cylinder
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Lateral rootontogenyposition
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Ontogeny of the lateral root in Salix
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Primary stem, transverse sectionin
eudicotyledonous plants eustele
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Primary stem vascular bundles closed
collateralopen collateral
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Open collateral vascular bundle in Ranunculus
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Primary stem, transverse sectionin
monocotyledonous plants atactostele
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Primary stemvascular bundles closed
collateralopen collateral
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Closed collateral vascular bundle in Zea mays
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Transition from the root actinostele
tothe stem eustelein eudicot plants
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Linum usitatissimum, seedlingfrom root over
hypocotyl to primary stem
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Monocot from actinostele to atactostele
problem !
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Vascular tissue of embryo procambium
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Phyllotaxis ontogenetic spiral plastochrons
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SAM Shoot Apical meristem
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SAM Shoot Apical Meristem (SEM picture)
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Primary andsecondary stem
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Seedling of Monocots
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Transverse and longitudinal section of a
monocotyledonous plant
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Zea mays, longitudinal transverse sections
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Leaf traces, leaf gaps, branch traces, branch
gaps
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Leaf traces and leaf gaps in eudicotyledonous
plants
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Leaf tracesleaf gaps
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Populus canadensisbranching connecting of
vascular bundles
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Ulmus stem, vascular bundles, transverse section
longitudinally opened
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Petiole from a node with 1 leaf trace
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Petiole from a node with 2-3 leaf traces
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Petiole from a node with 3 leaf traces from 3
leaf gaps
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Petiole from a node with 5() traces and many gaps
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Section through petiole midnerve
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Populus tremuloides (Salicaceae)
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Amphiblemma (Melastomataceae)
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Coccoloba (Polygonaceae)
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Melicoccus (Sapindaceae)
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Aesculus hippocastanum (Sapindaceae)