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Margins

Leaf margins describe the form of the edge (colored red). You only have to learn 8 types of margins.


entire margin

1: Entire. An entire (also called smooth) leaf has a completely smooth edge.

scalloped

2: Scalloped. A scalloped leaf has a edge with broad rounded "hills".scalloped margin detail

serrated margin

3: Serrated. A serrated leaf has saw teeth pointing toward the leaf tip.

double serrated margin

4: Double Serrated. A double serrated leaf has saw teeth pointing toward the leaf tip, and on those teeth are smaller saw teeth.

toothed margin

5: Toothed. A toothed leaf has teeth pointing outwards.

spiney margin

6: Spiny. A spiny leaf has spines pointing outwards.

pinnately lobed

7: Pinnately lobed. A pinnately lobed leaf has deep indents forming "valleys" and "hills". The "valleys" point towards the rachis of the leaf (see dotted line).

palmately lobed

7: Palmately lobed. A palmately lobed leaf has deep indents forming "valleys" and "hills". The "valleys" point towards base of the leaf where the petiole (leaf stalk) starts (see dotted line).

 

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