Plant Anatomy An Applied Approach (Lecture ppt) Ch05_TheStem

Plant Anatomy An Applied Approach (Lecture ppt)...

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Ch. 5 The stem
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Introduction primary stem ←→ root endodermis? endodermoid sheath or starch sheath exodermis ←→ hypodermis p. 57 p. 257
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or c hi d orchid root cortex rhizodermis velamen endodermis exodermis (hypodermis) Velamen- multiple epidermis Aerial roots of epiphytes (e.g. orchids) and aroids p. 50, Fig.4.1
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Xylem: stem ←→ root                 endarch       exarch p. 57
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In monocotyledon stem p. 58, Fig. 5.1 Atactostele stem TS of Zea- monocotyledonous
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Introduction In most dicotyledonus stem: node, leaf gaps 《 《 , leaf traces 《 《 , branch gap… p. 59 p. 252 p. 252 p. 276 http://www.botany.hawaii.edu/faculty/webb/bot201/ferns/pterophyta-2.htm http://www.botany.hawaii.edu/faculty/webb/bot201/ferns/pterophyta-2.htm    
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Stem -cross-sectional appearance Outline angular to circular identification nodes, petiole Tissues : epidermis, hypodermis, cortex, endodermis, vascular bundles, pith pericycle? casparian strips? p. 59, 60, Fig. 5.2 Trifolium (red clover) is an economically-important legume (Fabaceae). Eustele
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Trifolium pratense 《《《 epidermis (EP) is thin-walled cortex: four-five rows of chlorenchyma starch sheath (SS) phloem fibre caps (PF) primary phloem (P) fascicular cambium zone (CZ) - has produced a few secondary xylem elements, but apparently, no secondary phloem. stele (St): entirely parenchymatous
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one or more layer cells form- stem and leaves cuticular sculpturing, fine surface features- stem and leaves ? p. 60
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This note was uploaded on 12/27/2011 for the course LSCI 103 taught by Professor K.y.liao during the Fall '11 term at National Cheng Kung University.

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Plant Anatomy An Applied Approach (Lecture ppt)...

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