Tree Taxonomy

Tree Taxonomy - 12/30/2007 Tree Taxonomy Axillary bud Blade...

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12/30/2007 1 Tree Taxonomy Vocabulary List • Axillary bud • Blade • Leaf • Leaflet • Stem • Petiole • Rachis • Simple • Compound • Pinnate • Palmate • Alternate • Opposite • Base • Tip • Teeth • Lobe • Margin • Obtuse • Acute • Cordate • Truncate Blades and Axillary Buds Blade: The wide, flattened area plants use to concentrate sunlight on photosynthetic cells What’s a Leaf? Leaf. A blade or collection of blades attached to a stem. Simple vs. Compound Leaves Simple leaf: One blade per axillary bud Compound leaf: > one blade per axillary bud Parts of a leaf- simple Petiole Base Apex Blade Margin
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12/30/2007 2 Parts of a leaf- compound Petiole Base Apex Blade Margin Leaflet Rachis Pinnate vs. Palmate Pinnate Leaflets attached to rachis Palmate Leaflets attached to tip of petiole Opposite vs. Alternate WARNING! Describes arrangement of leaves AND/OR leaflets! Margins
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Tree Taxonomy - 12/30/2007 Tree Taxonomy Axillary bud Blade...

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