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The blade. However the tip is the apex.

I think it is called the margin. Leaf margins are described with words such as:

crenate: wavy-toothed; dentate with rounded teeth

serrate: saw-toothed with asymmetrical teeth pointing forward, such as nettle.

serrulate: finely serrate

sinuate: with deep, wave-like indentations; coarsely crenate, such as docks.

spiny or pungent: with stiff, sharp points, such as some hollies and thistles.

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10y ago

What else can I help you with?