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Unformatted text preview: a. dicots b. monocots primary thickening meristem B. other variations C. arrangement of leaves = phyllotaxy 1. alternate 2. opposite 3. whorled 4. spiral D. traces & gaps 1. leaf trace 2. leaf or bud gap III. Wood & Bark A. found in B. first year of tree branch C. second year D. third year E. details to note 1. slice 2. from vascular cambium in 3. springwood summerwood 4. heartwood sapwood 5. different woods 6. new xylem & phloem 7. outside of vascular cambium IV. Specialized stems A. above-ground variations 1. tendrils or hooks 2. thorns 3. cladophyll 4. runners B. partially or all below-ground variations 1. bulb 2. corm 3. tuber 4. rhizome...
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- Spring '12