DENDROLOGY AND SOCIETY
FAMILIES OF ANGIOSPERMS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What is the edge of a leaf blade called?
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midrib vein
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leaf stalk
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leaf margin
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None of the above
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Explanation:
Detailed explanation-1: -The edge of the leaf blade is called the leaf blade margin. There are many different types of leaf margins. A few examples include: Smooth (Figure 4), Saw-Toothed (serrate-Figure 5), very Irregular (Figure 6), and even Armed with sharp spines (Figure 7).
Detailed explanation-2: -ENTIRE: margin is smooth around entire leaf edge. CRENATE: margin has scalloped or rounded teeth. DENTATE: margin has square or rectangular teeth that point outwards. SERRATE: These teeth point outward towards the apex of the leaf, look rather like a saw.
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