Plant Biology Chapter 6 Outline

Plant Biology Chapter 6 Outline - Plant Biology Chapter 6...

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Plant Biology Chapter 6 Outline I. Stems a. External form of a woody twig b. Origin and development of stems c. Tissue patters in stems i. Steles ii. Herbaceous dicotyledonous stems iii. Woody dicotyledonous stems iv. Monocotyledonous stems d. Specialized stems i. Rhizomes ii. Runners and stolons iii. Tubers iv. Bulbs v. Corms vi. Cladophylls vii. Other specialized stems e. Wood and its uses i. Properties of wood 1. density 2. durability 3. types of sawing 4. knots 5. wood products Definitions Node —region of a stem where one or more leaves are attached. Internode —a stem region between nodes Blade —the conspicuous flattened part of a leaf (lamina) or seaweed. Petiole —the stalk of a leaf. Axil —the angle formed between a twig and the petiole of a leaf; normally the site of an  axillary bud. Stipules —one pair or appendages of varying size, shape, and texture present at the base  of the leaves of some plants. Deciduous —shedding leaves annually.  Leaf scars —the suberin covered scar left on a twig when a leaf separates from it through  abscission.  
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Bundle scars —a small scar left by a vascular bundle within a leaf scar when the leaf  separates from its stem through abscission.   Primordia
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This note was uploaded on 04/28/2008 for the course BIOL 1613 taught by Professor Stephenson during the Spring '08 term at Arkansas.

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Plant Biology Chapter 6 Outline - Plant Biology Chapter 6...

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