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20 Cards in this Set
- Front
- Back
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What is the basic function of leaves?
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to produce food for themselves
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Name the four basic leaf shapes:
1 2 3 4 |
1.broad, flat - maple leaf
2.long, narrow - grasses 3.needlelike - pine 4.scaley - cedar |
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Name the four types of leaf arrangements:
1 2 3 4 |
1. opposite -grow in pairs, on different sides of the stem
2. alternate -individual leaf that grow in alternating patterns 3.whorl - 3 or more leaves growing from the same point 4.rosette-cluster of leaves |
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_______ is the leaf arrangement where the leaves grow in pairs, but from different sides of the stem
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opposite
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______ is the leaf arrangement where there are individual leaves growing in alternate patterns along the stem.
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alternate
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________ is the leaf arrangement where there are 3 or more leaves growing from the same point.
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whorl
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____ is the leaf arrangement where there is a cluster of leaves growing around the base of the plant.
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rosette
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The leaf ______ is the leaf edges.
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margin
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Name the 4 type of leaf margins:
1 2 3 4 |
1.entire - smooth and unbroken
2.wavy - curved bumps 3.toothed -sharp teeth edges 4.lobed - extension of itself |
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What is the difference between simple and compound leaves?
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The simple leaf will have only one blade (leaf) attached to the petiole, and the compound leaf will have more than one blade attached.
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The ______ is the stalk to which the leaf is attached to the stem.
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petiole
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The multiple blades of a compound leaf are called ___.
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leaflets
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Grasses are ______ - they have no petioles, but instead attach directly to the stem.
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sessile
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______ is the vein pattern.
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venation
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Name three types of venation:
1 2 3 |
1. parallel
2. pinnate 3. palmate |
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In _______ venation, the main veins run seeminly parallel to each other, eventually merging together.
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parallel
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In _________ venation,the small veins are branching from one main vein.
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pinnate
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In ___________ venation, there are small veins branching from more than one main vein.
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palmate
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A compound leaf is _____ compound when all the leaflets attach to a common point.
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palmately compound
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A compound leaf is ____ compound when the leaflets are located at intervals along the petiole.
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pinnately compound
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